Free Shipping on Orders Over $49   //  Sign Up For Our Newsletter & Save 10% Today

20L Waterproof Backpack

20L Waterproof Backpack


  • Sale
  • Regular price $76.98

Key Product Features

  • A perfect combination of backpack comfort with 100% waterproof dry bag security in one convenient travel pack.
  • Padded shoulder straps, lumbar support, and back panel are ventilated so you can wear it all day.

Customer Reviews

No reviews yet

20L Waterproof Backpack

The OverBoard 20 Liter Waterproof Backpack combines 100% waterproof dry bag material, backpack comfort, and organization features for the ultimate travel pack when you plan on getting wet. The padded shoulder straps, lumbar support, and back panel are ventilated so you can wear it all day on your adventures. Includes adjustable sternum and waist straps. Keep organized with 2 external water bottle pockets, 1 internal zipped pocket, and front side bungee system for expandable storage. The roll top closure seals the contents from water, sand, dirt, and dust and the durable PVC tarpaulin keeps it that way, even with quick submersions.



  • 100% waterproof thanks to durable 600D PVC tarpaulin materials, seamless construction, and PVC bonded nylon sides & base.
  • Built for long term carry with padded shoulder straps, lumbar support, and ventilated back panel. Adjustable shoulder and waist strap keep it secure on the body.
  • 2 external mesh water bottle pockets
  • 1 internal zipped pocket.
  • Front side bungee system.
  • Roll top closure.
  • Top carrying handle.
  • Rated for quick submersion without leaking.



  • 17.3" H x 9.4" W x 7.4" D | Volume: 20 liters

Hauling extra gear? Also available in 30 liters.


Free domestic shipping for all orders over $49.

Depending on the product and availability, your order should ship in 2-5 business days. You will receive a confirmation email with a tracking number and the carrier when your order ships so you can track your package and know exactly when to expect it. Average transit time is 3-5 business days.

We do not offer expedited shipping, but if you need your delivery rushed please contact us at and we will attempt to expedite your order.

Currently we do not ship internationally.

If you bought multiple items they might ship separately.


If you are not happy with your purchase for any reason in the first 30 days, contact us at and we'll help you initiate a return.

Please note that items must be unused with the original packaging intact in order to receive a refund. Refunds will only be processed after the item is received and its condition is verified.

Return shipping is the responsibility of the purchaser.

Our Shipping & Returns page has all of the details.

Our Promise

We want to make sure you’re happy with your product, your purchase, and everything in between. We hope you’ll love every product you buy from Flashpacker Co but understand sometimes things go wrong. When that happens we’ll do everything we can to make it right.

Check out our Satisfaction Guarantee page for the full details.





Born out of the need to protect gear, tech, and valuables from water and sand while adventuring, Overboard dry bags provide the perfect balance of functional waterproofing with practical style & comfort. From compact dry bags to large capacity waterproof backpacks, Overboard 100% waterproof bags are durably built to keep out water, sand, dust, dirt, and snow.

When you need 100% confidence your gear will stay dry, there’s an Overboard waterproof backpack or bag for you. All Overboard products go through stringent testing including temperature, depth, dust & dirt, strength, dunk, weld pressure, repetitive stress, and load break tests.

Product Warranty

A 5 year warranty covers all registered Overboard products. To register your Overboard bag simply go to the registration page once you receive your order to fill out the form. It only takes 1-2 minutes. This warranty covers any material or manufacturing defects. It does not cover wear and tear or damage from misuse.


Overboard Dry Bags

Sign Up For Our Newsletter

Take 10% off your first order when you sign up today. Plus, stay up to date with new arrivals, sales and giveaways, and see what customers are saying about this product and others.

Follow Us on Instagram

See all of the latest news, articles and adventures of @FlashpackerCo and our #FlashpackerNetwork