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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Availability:
In Stock.
Arrives
Monday, Aug 17
Size: 30L
Color: Digital Camo
Features
- Tarpaulin
- Imported
- Built to Endure: Featuring a reinforced multi-layer construction, this dry bag delivers exceptional tear and abrasion resistance yet remains flexible. Its ruggedness is backed by expertly welded seams, heavy-duty buckles, sturdy straps, and robust stitching. Designed to withstand rock scrapes and harsh conditions, it guarantees your gear stays protected and dry on every water adventure.
- Superior Waterproofing: The roll-top closure creates a watertight seal. Its round bottom helps you capture air quickly: simply spread the bottom open, roll the top down 3 to 5 times, and buckle. The trapped air blocks water and provides buoyancy. Keeps your gear dry in rapids, waves, snow, and sand. Designed for all common wet conditions but not for extended submersion.
- Multiple Sizes & Colors: A range from 5L to 40L suits any activity. 5L/10L are ideal for light trips and feature an adjustable, removable shoulder strap for cross-body carry. For heavier loads, 20L to 40L have backpack straps for even weight distribution, as a waterproof backpack. Every size folds into its own compact pouch. Choose from classic darks to vibrant brights to match your style.
- Stays Afloat & Secure: When properly sealed and not overloaded, the dry sack floats visibly on the water, making your gear easy to spot and quick to retrieve. A reinforced D-ring and strap let you fasten the bag to your boat or kayak, keeping your belongings secure and within reach, so you can fully embrace the thrill of the outdoors.
- Versatile Utility: Engineered for rugged durability and reliable waterproof protection, this bag is essential for any aquatic adventure. Ideal for paddling, sailing, surfing, canoeing, or river tubing, as well as beach trips and water park outings. When rain rolls in, it also serves as a dependable waterproof bag for traveling, climbing, or hunting, keeping your gear dry no matter the weather.
Description
Durable, colorful, and utterly reliable, your essential companion for any water sport. March is the season of bloom and vitality. MARCHWAY invites you to start marching, and step into nature to discover the pure land of your soul. With comfort, safety, and convenience at our core, we are committed to providing affordable outdoor sports gear. We strictly control every component and production process, repeatedly testing structure and performance to create well-crafted products that bring relaxation and joy to your adventures. Visit the Store Visit the Store Visit the Store With the accelerated pace of modern life, more and more people are taking vacations away from the noisy city to relax in nature. We felt the same way, so MARCHWAY was born. We will continue to expand the product line and strive to provide you with more practical outdoor camping products. We carefully listen to the voices of each customer, continuously update the production equipment, improve the manufacturing level, optimize the product structure, and create products that meet the customer's satisfaction and expectation. Durable enough to witness every adventure, and sturdy enough to defend your gear through all weather. Highly Visible & Reliable Vivid colors get you spotted instantly, so the team stays focused on the adventure. Attractive Color Options More than just practical, it's fashionable and eye-catching. Comes in Versatile Sizes Compact 5L/10L: Crossbody or shoulder carry. Expanded 20L-40L: Full-capacity backpack
Closure Type: Buckle
Capacity: 30 liters
Strap Type: Adjustable,Cross-body,Removable,Shoulder Strap
Wheel Type: Double spinner
Handle Type: Web Handle
Number of Compartments: 1
Color: Digital Camo
Style Name: Backpack
Pattern: Camo,Solid
Item Weight: 0.66 Pounds
Size: 30L
Brand Name: MARCHWAY
Unit Count: 1 Count
Manufacturer: MARCHWAY
Item Type Name: Marine Dry Bags
Model Number: WDB30LDCAMO
Manufacturer Part Number: WDB30LDCAMO
Material Type: Polyvinyl Chloride (PVC)
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Aug 17
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: Orange
Update February 2026: I’ve owned this bag over 3 years now. It’s traveled with me to Roatan Honduras multiple times now and over 75 diving trips. I use it through the summer at home out on the boat as well. The bag keeps all my stuff dry and has held up very well! This is a very good quality bag. I took this on a scuba diving trip to Honduras, used it multiple times over course of two weeks everyday. Hauled my essential gear wallet, towel sunglasses, snack, drink etc. on an open bow diving boat shared by 6 other divers. To say everything gets wet is an understatement! This bag performed flawlessly, it’s built well and good quality I’d imagine I could do the same trip several dozen times and beyond and get the same performance. Kept everything dry and as an added bonus the orange color made it very easy to see amongst everything else that was a big plus! I’m very satisfied with this bag !
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Reviewed in the United States on July 1, 2023 by TiPhoon
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: 5L
Color: Dark Blue
Okay, I've gotta be real: I'm usually the one people trust to keep stuff safe. So, on my recent rafting trip, I found myself being the guardian of not just my essentials but EVERYONE's valuables. And trust me, that’s a level of responsibility I wasn't quite prepared for. But enter the MARCHWAY Floating Waterproof Dry Bag – and, boy, did it deliver! Here's the deal. This isn't your run-of-the-mill bag. Made from ripstop tarpaulin, it's built to withstand tears, rips, and punctures. It's like the superhero of dry bags. The roll-top closure system? Airtight. Even when we splashed, bumped, and got a bit wild on the water, everything inside stayed bone dry. Phones, wallets, keys – all safe and sound. And that's not just me saying it – everything from phones to towels to a change of clothes stayed dry for my fellow adventurers too. Now, a quick PSA: If you're new to the world of dry bags (like I once was), make sure you get the lowdown on how to seal it properly. I had a rookie mistake with a different bag once, and let's just say, wet socks aren't fun. But once you've got the hang of it, the MARCHWAY bag is a breeze to use. The versatility? Top-notch. It floats, so you don't lose sight of your stuff. Whether you're kayaking, beaching, or climbing snowy mountains, it's got your back (literally, if you wear it like a backpack). And with sizes ranging from 5L to 40L, there's one for every kind of adventurer. In a nutshell? If you're heading outdoors and need to keep your stuff safe, dry, and within reach, the MARCHWAY Floating Waterproof Dry Bag is a no-brainer. It's got the durability, style, and versatility down pat. Happy adventuring, folks! 🛶🏔🌟
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Reviewed in the United States on August 26, 2023 by Rick Knowlton
Size: 10L
Color: Orange
Amazing waterproof bag! This purchase makes #2 for me , as we travel to Jamaica with our boys Everything stays completely dry and safe all day . 100% recommend.
Reviewed in the United States on April 4, 2026 by Corey Atkins
Size: 20L
Color: Flower
I really like this bag. I got the 20L/Flower pattern. It looks good and carries a good amount of stuff - big enough for a towel, food, water bottle, sunscreen. I got it for a day of kayaking. It's easily water resistant. I also took it on a trip to the Caribbean and it was great for both the beach and snorkeling. Almost wish now I had gotten a bigger size, but this size is pretty convenient for most of my needs.
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Reviewed in the United States on February 23, 2026 by Suzy from Idaho
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.
Size: 40L
Color: Pink
I absolutely love these dry bags! I love that they provide a color for the ladies! They are great for travel when you have them in the bed of the truck you don't have to worry about the rain getting into your bag. It's a good quality material. I have used it floating but my husband kayaks and takes his with him. He says it floats perfectly and is a good bag to have for all occasions.
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Reviewed in the United States on February 9, 2026 by Jessica
Size: 5L
Color: Dark Blue
These are great! Significantly less expensive than brand name dry bags and just as functional. I have been using 2 5L bags to function like front panniers on my touring bicycle. I use one for cooking equipment and one for food - they've kept everything dry through rough and wet treatment.
Reviewed in the United States on May 28, 2026 by FarFlungHeel