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
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Extended holiday returns
FREE refund/replacement until Jan 31, 2026 Learn more
FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
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Availability:
In Stock.
Arrives
Dec 21 – Dec 22
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Size: 20L
Color: Teal
Features
- Tarpaulin
- Imported
- Built to Endure: This drybag features a 500D polyester mesh core laminated between 2 layers of PVC, delivering exceptional tear and abrasion resistance while staying flexible year-round. Its ruggedness is reinforced with expertly welded seams, heavy-duty buckles, sturdy straps and robust stitching. Designed to withstand scrapes against rocks and harsh conditions, it keeps your gear protected, dry and secure on every water adventure.
- Superior Waterproofing: The convenient roll-top seal ensures complete watertightness. Simply spread the bottom open to capture more air, roll the top down 3 to 5 times and buckle it shut. This traps air to block water, making the bag float, while the round bottom speeds up air capture. It keeps contents dry in all common wet conditions from rapids and waves to snow and sand, though not during extended full submersion.
- Multiple Sizes & Colors: A full range from 5L to 40L suits any activity. 5L/10L bags are ideal for light trips and feature an adjustable, removable shoulder strap for cross-body carry. For heavier loads, 20L to 40L models have backpack straps for even weight distribution. All sizes fold into a compact pouch for easy storage. Choose from a spectrum of colors, from classic darks to vibrant brights, for personal style and easy spotting.
- 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 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 bag is essential 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.
Item Package Dimensions L x W x H: 15.55 x 5.51 x 2.05 inches
Package Weight: 0.47 Kilograms
Item Dimensions LxWxH: 9.5 x 9.5 x 23 inches
Item Weight: 0.12 Pounds
Brand Name: MARCHWAY
Model Name: Dry Bag
Color: Teal
Material: PVC
Suggested Users: unisex
Manufacturer: MARCHWAY
Part Number: WDB20LLABLU
Style: Backpack
Size: 20L
Date First Available: January 1, 2024
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Dec 21 – Dec 22
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: 30L
Color: Bright Yellow
Great quality and size! Took kayaking and travels well in the kayak. Holds a lot and keeps everything dry. Great designed product.
Reviewed in the United States on December 28, 2024 by TraciF
Size: 30L
Color: Dark Green
Strong durable quality. Keeps items dry. Use often while kayak camping on overnight trips.
Reviewed in the United States on January 15, 2025 by Cro-Magnon Man
Size: 30L
Color: Teal
This bag is a beautiful aqua blue color. If you're just using it around a pool or something, blue is fine, but if you're taking it out in a river or lake, I suggest getting a bright yellow or orange that would be easier to see if the bag gets separated from you (which almost happened to me). Bought the 30 liter dry bag thinking I needed the room for extra clothes/towels/shoes for myself and two friends, but we ended up not needing all that and used a small 10 liter bag instead that held just wallets, keys, a towel, and some snacks. The larger bag is great if you need it, but the material that these bags are made of is heavy, so the larger bags do make carrying more burdensome just from the extra weight of the bag itself. I thought I could just fold the larger bag down to be smaller, but the handle attached to the bag makes it impossible. This bag did allow for the full three turns minimum that most people recommend for dry bags, but the handle stops you from turning it down any more. I liked the extra loops on the lower front of the bag where you could tie things on, but I found it not as convenient as having a mesh pocket on the front like my other dry bag. The straps were basic, adjustable. Packaging was minimal. Quality of the material and seams appeared to be as good as other good quality dry bags.
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Reviewed in the United States on August 5, 2024 by Review by C. Review by C.
Size: 40L
Color: Orange
Loved the size and the backpack straps. This made for very easy transport both at the airport and on the river. Many dry bags have a single strap or worse one that snaps to the fold up portion stretching out the fold that needs to be water resistant. This has a solid grab handle, 2 full backpack straps, and a waste strap to hold it. Pros Works great for travel via air and river Color selection makes it easy to spot or not Simple grab handles and/or backpack straps Size fit my tent with space or my sleeping bag without space but not both. Cons While I had no real water intrusion there could be an improvement on the fold mechanism by adding some grippy material I have on other bags. A small pocket near the top inside would be a nice addition to prevent small items from falling to the bottom. Kept my stuff dry on the river for 7 days even after going through as a checked bag at tje airport. It was easy to spot at the airport or at camp site so it was not left behind. I will buy a few more of these. Great bags 5 star review.
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Reviewed in the United States on August 7, 2023 by Dan Durig
Size: 10L
Color: Pink
I bought this in preparation for a kayaking trip. I ended up flipping my kayak and this kept my things dry! I had the bag attached to my kayak so I’m not sure if it floats as advertised. It does fill with air when you roll it up but seems to deflate a bit over time. I did notice a very small amount of water in my bag but I believe it was from my wet hands reaching inside.
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Reviewed in the United States on September 26, 2024 by Anon
Size: 20L
Color: Bright Yellow
Overall, this is a great product. I work as a commercial seaplane pilot in the Bahamas, and wanted to upgrade my pilot bag to something waterproof, high visibility, and easy to carry/use. I ended up buying two of these bags: One was the 10L Hi-Vis Orange bag, and the other was the 20L Hi-Vis Yellow bag. I'll review both, starting with the 10L. 10L Bag: One thing you have to keep in mind with these bags is that they require 3-4 folds before you buckle the top closed to be effectively waterproof. What this means is that the bags are not as tall as you would think just looking at them in the package. I haven't actually attempted to measure the size of the bag when it is closed to see if it is actually 10L, but I would assume the overall space is reduced when closed (especially depending on how many folds you put in before closing it). With this being said, I can easily recommend the 10L for 3-4 medium sized handheld items (which I will specify now). For myself, I stored an aviation headset bag (measures about 6x4x10 [LxWxH]), a pilot logbook (6x2x12), my passport booklet, sunscreen, and an ipad mini. It was snug, but I could still get 3 rolls and latch the bag shut without any problems. Initially this was okay, but I wanted a little more room so that I could bring extra items like extra clothes, bandages, water, etc. as my days are long and spent in the sun. Now, I carry the 10L bag with me (Folded up nicely in my 20L bag) as an extra buoy if I have to cut an anchor line. These bags are air tight when closed properly and will hold any residual air inside once closed. All I have to do now is blow a little air in the bag, roll it, latch it, and it is a buoy or flotation device. The 10L bag is great if you don't have TOO much stuff to carry, but I'd caution you to go with the larger option if you are unsure and aren't confined to a small space for the bag. 20L Bag: The 20L bag functions the same way as the 10L, but supplies twice the space. I have plenty of room for all of the items mentioned above, and some. An added benefit is that the 20L comes with 2 straps instead of one, so I can wear it as a backpack when walking around the islands. Beyond that, there really isn't much difference at all between the bags. Pros: -The bags are simple to use and versatile -The color options are great, especially if your use for the bag may end up with the bag falling overboard -The bags will float when sealed properly -No water has been found in my bags yet (but I'd still add extra caution and seal anything you absolutely can't get wet in another plastic bag as well) Cons: -Folding the bag over eliminates some space, which means you need to plan your space utilization carefully if you want a waterproof bag! -The bag is not designed to be submerged for more than a few seconds... it is waterproof when floating (which is what it does). If you force it underwater for too long, the pressure of the water may force some liquid into the bag Overall, I'd say this is a great, CHEAP, and simple product. Take it from someone who's out on the ocean all day: it works!
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Reviewed in the United States on May 25, 2018 by Amazon Customer
Size: 40L
Color: Army Green
When I unpacked this bag I was really impressed with the quality. I purchased it to store pellets for my smoker and keep them bone dry. The 40L bag holds an entire 40 pounds of pellets. The rugged handle and backpack straps make carrying the fully loaded bag very easy too. The material is super rugged and won't get holes easily, even after being picked up and dropped on cement or rocks. Highly recommended.
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Reviewed in the United States on June 13, 2024 by Russell R.
Size: 20L
Color: Flower
Bought this for a 3 day river kayak camping trip. It was stuffed, scraped, banged on rocks, poked by sticks. Looks as good today as it did when I received it and it kept my stuff clean and dry. I've had great success with Marchway dry bags. Bonus - this print really stands out!
Reviewed in the United States on November 23, 2024 by DonnaR