Comparison: Best 40l Dry Bag (Updated | Oct 29th)
When it comes to versatile, weatherproof storage for outdoor adventures, a reliable 40L dry bag is a valuable investment. Designed to protect gear from water, wind, and dust, these bags balance capacity and portability, making them ideal for day trips, kayaking, or camping. This comparison evaluates key models based on durability, sealing effectiveness, ease of use, and additional features, helping you find a functional option that suits your needs without compromising on quality. Whether you’re navigating rugged terrain or seeking secure storage, the right dry bag ensures your essentials stay dry and accessible.
Editor’s Choice
Best for a specific purpose
-
Best for phone case:
Piscifun Dry Bag -
Best for best overall:
IDRYBAG Waterproof Backpack for Men 20L/30L/40L -
Best for premium build:
MARCHWAY Floating Waterproof Dry Bag Backpack 5L/10L/20L/30L/40L -
Best for comfortable carry:
HEETA Dry Bags Waterproof Backpack 40L for Men & Women -
Best for largest capacity:
Malo'o Waterproof Dry Bag Duffel 40L/60L/100L -
Best for lightweight option:
ROCK CLOUD Dry Bag Waterproof 40L Dry Sack for Kayaking Rafting Boating Beach Surfing Swimming Canoe Camping Hiking Fishing Ski -
Best for best budget:
CMCOOPLX 10L/20L/40L/70L Waterproof Dry Bags -
Best for ergonomic design:
FEIWOOD GEAR Dry Bag Backpack -
Best for compact storage:
10L/20L/40L/70L Waterproof Dry Sacks -
Best for compact storage:
CMCOOPLX 10L/20L/40L/70L Waterproof Dry Bags
Product Comparison: Best 40l Dry Bag
Phone case
Piscifun Dry Bag, Waterproof Floating Backpack 40L with Waterproof Phone Case for Boating, Kayaking, Fishing, Black 40L
Piscifun
- Heavy Duty Material: Made of 500D PVC Material, Piscifun dry bag offers durability and protection for your items during outdoor activities
- Sealed and IPX8 Waterproof Phone Case: The backpack comes with a fully welded seal which helps in a stronger, durable waterproof construction. It also comes with a waterproof phone case, which is suitable for phones up to a diagonal screen size of 6.5 inches. They also have a touch friendly design as it helps you to operate your phone during water activities
- User Friendly Design: Each of those super user friendly dry bags have adjustable shoulder straps. They also have an outer mesh pocket which helps you to hold things which gives you space for non-dry storage
- Convenient Shoulder Strap: These dry bags have adjustable double shouldered straps which provide safety and stability while wearing the bag. These sturdy straps help the bags in not slipping off the shoulders during the water activities
- Multifunctional: These waterproof bags also float on the water when rolled and buckled, which makes it visible to you all the time even on the water. are perfect for camping, beach, fishing, hiking, kayaking, rafting, skiing, snowboarding and boating. They also make the perfect gift for outdoor lovers
Best overall
IDRYBAG Waterproof Backpack for Men 20L/30L/40L, Floating Dry Bag Kayak, Dry Backpack Hiking
IDRYBAG
- 500D Waterproof Material: Idrybag 20L dry bag backpack is constructed from 500D PVC heavy duty material that is waterproof, scratch proof and high performing, ensuring no water can enter from the top of the dry backpack to keep your camping gear dry during adventure. Your waterproof backpack dry bag is double reinforced at all the major pressure points so that it's durable enough and wear-resistant. Idrybag dry bag would definitely be your choice for any tough environment you may encounter!
- How to Use: Align the straps on the top of the waterproof dry backpack after stores your gear, then grab and roll the straps 3-5 times and connect each side buckle of the dry sack backpack to complete the seal. Stretch two side straps to protect the bag from leaks. Connect the top buckle and stretch the strap to avoid getting your gear wet. Each backpack dry bag is equipped with a wide firm hand-hold for your convenience, meets your different demands for handheld or shoulder carrying.
- Humanized Design: Our functional waterproof bag backpack features the honeycomb design carrying system, which is a customizable and comfortable system that supports the back through an ergonomic mechanical design to make the user's experience more enjoyable. Each shoulder strap of the dry bag has a D-clip which is great for attaching water bottles and other gear that you want to keep close at hand. Also, the reflective strip on the bag is sure to be very useful when you are at night.
- Outer Pocket & Inner Pocket: Idrybag waterproof dry bag backpack has an external splash-proof pocket and an internal zipper pocket allowing you to keep your stuff organized for greater convenience. The front outer pouch of this dry bag contains essentials like a knife, a flashlight, and other small items for your quick access, in case of emergency. The inner pouch helps to store those high-value belongings to prevent being stolen, like phones, cards, wallet.
- Multifarious Occasion: Our waterproof dry bag is suitable for an enormous range of outdoor activities, no matter hiking, camping, climbing, biking, even water sports like floating, kayaking, swimming, rafting, boating, canoeing, fishing, surfing, rowing…all allowed. Amazing companion for outdoor enthusiasts!
Premium build
MARCHWAY Floating Waterproof Dry Bag Backpack 5L/10L/20L/30L/40L, Roll Top Sack Keeps Gear Dry for Kayaking, Rafting, Boating, Swimming, Camping, Hiking, Beach, Fishing (Bright Yellow, 40L)
MARCHWAY
- Built to Endure: Crafted with a 500D polyester mesh core laminated between two layers of PVC, this drybag delivers exceptional tear, abrasion, puncture resistance while remaining flexible year-round. This ruggedness is reinforced by expertly welded seams, heavy-duty buckles, sturdy straps, and robust stitching. Built to withstand scrapes against rocks and prolonged use in harsh conditions, it ensures your gear stays protected, dry, and secure on every water adventure.
- Superior Waterproofing: The convenient roll-top seal ensures complete watertightness. Simply spread the round bottom open to capture more air, roll the top down 3 to 5 times, and buckle it shut. This traps air inside to block water, making the bag float, while the round bottom speeds up air capture. As long as the bag is not fully submerged for extended periods, it keeps contents dry in rapids and all other wet conditions, offering proven protection from waves, snow, sand.
- Multiple Sizes & Colors: Sizes from 5L to 40L to suit various activities. 5L/10L bags are ideal for light trips and feature a single, adjustable, removable shoulder strap for convenient cross-body carry. For heavier loads, 20L/30L/40L models have backpack-style straps for even weight distribution. All sizes fold into a compact pouch for easy storage. The color ranges from classic darks to vibrant brights, catering to all preferences and making your bag easy to spot.
- Stays Afloat & Secure: When properly sealed and not overloaded, the dry sack floats prominently on the water, ensuring your gear is visible and quick to retrieve. For added security, the reinforced D-ring and attachment strap allow you to fasten the bag to your boat or kayak. This keeps your belongings within reach to prevent loss, giving you peace of mind to fully enjoy the thrilling outdoors.
- Versatile Utility: Engineered for reliable waterproof protection and rugged durability, this waterproof bag is your essential gear for any aquatic adventure or rainy day. It is perfectly suited for water sports like paddling, sailing, canoeing, surfing, river tubing, or trips to the water park or beach. When rain arrives, it also serves as a dependable bag for traveling, climbing and hunting, keeping your gear dry in any weather.
Comfortable carry
HEETA Dry Bags Waterproof Backpack 40L for Men & Women, Roll Top Heavy Duty Cushioned Hiking Backpack for Kayaking Boating Paddle Boarding Travel Camping Beach Vacation Cruise Ship Essentials,Green
HEETA
- WATERPROOF & RUGGED – Made with heavy-duty 500D PVC and strong seams, this dry bag backpack keeps your things totally dry—even in heavy rain or splashes. Reinforced stress points and tear-resistant seams ensure long-lasting durability for rugged adventures.
- EASY TO USE – Secure your items in seconds with the roll-top closure—fold 3-4 times, clip the buckle, and go! Handy D-rings let you hook it to bikes, motorcycles, boats or paddle boards. Super easy to use on the go!
- EXTRA STORAGE SPACE – Spacious 40L main compartment of this camping backpack fits your daily gear, clothes, laptop or tablet. The front zip pocket keeps keys or your phone within reach. Two small pockets on the waist belt store little items like tissues or earbuds.
- COMFORTABLE DESIGN – Ergonomic padded back panel and adjustable shoulder and waist straps reduce strain. The waterproof hiking backpack fits snugly to your body, so it won’t bounce around when you’re hiking, biking, or moving fast.
- VERSATILE USE – Perfect for travel, hiking, camping, fishing, kayaking, paddle boarding, climbing, commuting, and more. Lightweight yet rugged— ideal waterproof backpack for hikers, travelers, photographers, and everyday outdoor use.
Largest capacity
Malo'o Waterproof Dry Bag Duffel 40L/60L/100L, Roll Top Duffel Keeps Gear Dry for Kayaking, Rafting, Boating, Swimming, Camping, Hiking, Beach, Fishing – Internal & External Pockets and Molle Loops
Malo'o
- Full Waterproof Protection – Place all gear in the dry bag duffle bag, roll the top 3 times and cinch to seal – (no zipper) Hand and Shoulder Straps and Molle loops for accessories – perfect for all your camping accessories, beach accessories, or boat accessories
- No Smell, No Wet Dry Bag Duffel – Perfect for wetsuits, nasty smelly fishing gear, dogs towels that can really bring order into the car or house. Roll the duffel bag up, cinch it closed, and the house and car will be dry and stink free
- Water Adventures are great, as long as your electronics, clothes, and snacks are dry – Two large inside pockets and an external zippered pocket give you lots of places to store small items while the main compartment can hold days’ worth of hunting gear or boating accessories in the 40L model and weeks’ worth in the 100L
- Tough and Durable – Made with heavy-duty 500D PVC the waterproof duffle bag features high-frequency welded seams to keep your gear dry and the 100L HD super large duffle bag has reinforced bottoms for harsher environments, IPX6 Rated
- Size Matters – our wide-mouth waterproof duffle bags come in 40 L (10.5Gal) , 60L(16Gal), and 100L(26.5Gal) and open fully for easy packing. The 40L carries about the same as an airline carry-on, the 60L holds about the same as a medium-sized suitcase, and the 100L can haul a full set of hockey or football gear and more
Lightweight option
ROCK CLOUD Dry Bag Waterproof 40L Dry Sack for Kayaking Rafting Boating Beach Surfing Swimming Canoe Camping Hiking Fishing Ski, Black
ROCK CLOUD
- Waterproof: Roll-top closure system provides secure watertight seal, keep your gear dry in any wet situation, protect your items from water, snow, mud and sand, is your trusted partner in water sports or travel
- Durable & Easy Clean: Made from ripstop tarpaulin with sturdy welded seam, tear, rip and puncture proof, with proper care is sure to give you years of service. Dry bag is easy to wipe clean due to its smooth surface
- More Choices: 5 size, 5L 10L 20L 30L 40L. Ours 40L dry bag are equipped with backpack style thickened shoulder straps, you can stay comfortable even with heavy loads. 20L and 30L come with two adjustable and removable shoulder straps, 5L and 10L come with a single adjustable and removable shoulder strap, a full range of sizes can meet your different needs
- Easy to use: Just toss your gear inside, fold down 3-5 times, buckle, and you are ready to go!
- Multifunction: Our dry sacks are especially suitable for kayaking, rafting, boating, beach, surfing, swimming, canoe, camping, hiking, fishing, ski and travel, you can take it on the road in any season. Note: Not suitable for underwater sports
Best budget
CMCOOPLX 10L/20L/40L/70L Waterproof Dry Bags, Lightweight Storage for Canoeing, Kayaking, Rafting, Hiking, Camping, Fishing, Swimming (Black, 40L)
CMCOOPLX
- 【100% Exterior Waterproof】Made of 210T polyester taffeta (waterproof fabric),our waterproof dry bag will keep your valuables dry and clean from rain, water, dirt, dust, sand and snow.
- 【Durable and Lightweight】Our waterproof bags are tough,anti abrasive and ultralight. The well built structure: RipStop fabric + TPU coating + Welded seams + Roll top closure, making these dry bags for a long time use.
- 【Different Capacity for Your Needs】There are 4 flexible capacity(10L/20L/40L/70L) and 4 eye catching colors(black,army green,orange and blue) for your different needs and favor. The capacity ranges from small to large, and there must be one serving your purpose!
- 【Easy to Use, Carry and Clean】Just put your items in the large dry bag, grab top woven tape and roll down tightly 3 to 5 times and then plug buckle to complete seal.The waterproof bag can be folded into a small size for easy carrying. Easy to wipe clean due to its smooth surface.
- 【Wide Application】Dry bags waterproof are not only suitable for outdoor sports like camping, fishing,kayaking,rafting,boating,climing, but also suitable for storing clothes, books and other moisture-proof items,used as stuff sack / rucksack liners.
Ergonomic design
FEIWOOD GEAR Dry Bag Backpack, 40L Floating Waterproof Backpack Roll-Top Closure for Kayaking, Boating, Hiking, Camping
FEIWOOD GEAR
- 【DURABLE WATERPROOF FABRIC】 The waterproof backpack adopt 500D PVC heavy duty waterproof backpack material, 35L waterproof backpack dry bag has excellent waterproof, dustproof and scratchproof performance. Ensure your gear stays dry while kayaking, floating, swimming, boating, fishing, rafting, surfing, biking, traveling, camping, ect. The dry bag backpack suits various outdoor activities.
- 【EASY TO USE】Designed with a roll-top closure and single reinforced strip to ensure water stays out. Simply fold the bag down 3-4 times after stored your gear, and fasten each side buckle to complete the seal. The adjustable chest strap and shoulder straps provides a great fixation which allows this waterproof dry backpack tightly against your body. It provides safety and stability while wearing the bag
- 【 SIZE: 40L】Max size after used：35*21*55cm/13.8”*8.3”*21.7”, Capacity: 40 Liter . Independent on different occasions and personal hobbies, you can choose the moderate capacity backpack for your trip. The 40 Liter dry bag is great for trips up to 1.5 weeks. Made to hold more than the basics, and tuck in a sleeping bag, clothes for up to two, food, and more. it carry and protect all your gear. If you do any water related things, this dry backpack would be a good choice.
- 【USER FRIENDLY DESIGN】Sponge filled shoulder straps and padded backpanel highly improve the comfort. Equipped with pockets on both the inside and outside of the backpack, outer mesh pocket works well for dry and wet separation. You can store wet towels and slippers without moisting the contents of dry backpack. Side pouch is perfect for putting umbrella and water bottle to grab quickly. and a A4 pocket and a small zipped pocket on the inside.
- 【AFTER-SALES SERVICE】FEIWOOD GEAR team is committed to providing superb products and services for every customer. We would do whatever it costs to achieve your satisfaction. If you are not satisfied with our dry bag, just contact us without any hesitation. We will solve all your problems and confusions the first time.
Compact storage
10L/20L/40L/70L Waterproof Dry Sacks, Lightweight Storage Bags for Canoeing, Kayaking, Rafting, Hiking, Camping, Fishing, Swimming (Army Green, 70L)
CMCOOPLX
- 【100% Exterior Waterproof】Made of 210T polyester taffeta (waterproof fabric),our waterproof dry bag will keep your valuables dry and clean from rain, water, dirt, dust, sand and snow.
- 【Durable and Lightweight】Our waterproof bags are tough,anti abrasive and ultralight. The well built structure: RipStop fabric + TPU coating + Welded seams + Roll top closure, making these dry bags for a long time use.
- 【Different Capacity for Your Needs】There are 4 flexible capacity(10L/20L/40L/70L) and 4 eye catching colors(black,army green,orange and blue) for your different needs and favor. The capacity ranges from small to large, and there must be one serving your purpose!
- 【Easy to Use, Carry and Clean】Just put your items in the large dry bag, grab top woven tape and roll down tightly 3 to 5 times and then plug buckle to complete seal.The waterproof bag can be folded into a small size for easy carrying. Easy to wipe clean due to its smooth surface.
- 【Wide Application】Dry bags waterproof are not only suitable for outdoor sports like camping, fishing,kayaking,rafting,boating,climing, but also suitable for storing clothes, books and other moisture-proof items,used as stuff sack / rucksack liners.
Compact storage
CMCOOPLX 10L/20L/40L/70L Waterproof Dry Bags, Lightweight Canoe Storage Sacks for Kayaking Rafting Boating Hiking Camping Travel Fishing Sea Swimming (Black, 70L)
CMCOOPLX
- 【100% Exterior Waterproof】Made of 210T polyester taffeta (waterproof fabric),our waterproof dry bag will keep your valuables dry and clean from rain, water, dirt, dust, sand and snow.
- 【Durable and Lightweight】Our waterproof bags are tough,anti abrasive and ultralight. The well built structure: RipStop fabric + TPU coating + Welded seams + Roll top closure, making these dry bags for a long time use.
- 【Different Capacity for Your Needs】There are 4 flexible capacity(10L/20L/40L/70L) and 4 eye catching colors(black,army green,orange and blue) for your different needs and favor. The capacity ranges from small to large, and there must be one serving your purpose!
- 【Easy to Use, Carry and Clean】Just put your items in the large dry bag, grab top woven tape and roll down tightly 3 to 5 times and then plug buckle to complete seal.The waterproof bag can be folded into a small size for easy carrying. Easy to wipe clean due to its smooth surface.
- 【Wide Application】Dry bags waterproof are not only suitable for outdoor sports like camping, fishing,kayaking,rafting,boating,climing, but also suitable for storing clothes, books and other moisture-proof items,used as stuff sack / rucksack liners.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Buying Guide
FAQs
What should I look for when buying a 40L dry bag?
Prioritize waterproof materials (e.g., PVC or TPU), durable seams (heat-sealed or double-stitched), and a reliable closure system (roll-top or zipper). Check for compression straps, attachment points, and a size that fits your gear. Ensure it’s easy to clean and has abrasion-resistant features.
Are 40L dry bags suitable for all water activities?
Yes, 40L dry bags are ideal for kayaking, canoeing, rafting, and coastal trips. They protect gear from splashes and submersion. However, for extended open-water use, pair them with additional flotation or secure mounting to prevent loss.
How do I ensure a 40L dry bag stays watertight?
Remove excess air before sealing, roll the top multiple times (3–5 times for roll-tops), and secure buckles or clips tightly. For zippered bags, wipe seals clean and ensure full closure. Test it with a small amount of water first.
Can a 40L dry bag be used for non-water activities?
Absolutely. They’re great for hiking, camping, or storing items in wet environments (e.g., under a tent). Their durability and weather resistance make them versatile for travel, emergencies, or organizing gear in trucks/SUVs.
What’s the difference between roll-top and zippered dry bags?
Roll-tops offer superior watertightness by folding and clamping the opening, while zippered bags provide quick access. Roll-tops are better for submersion, but zippers are convenient for frequent opening. Choose based on activity needs.
How do I clean and maintain a 40L dry bag?
Rinse with fresh water after saltwater use, air-dry completely, and avoid harsh chemicals. Store flat or loosely rolled. Inspect seams and zippers regularly for wear, and replace if damaged to ensure waterproofing.