The overboard adventure duffel bag 90 litres blue is made of tough pvc tarpaulin and with a heavy duty base the large waterproof duffle bag is ready for any adventure you take it on rrits very portable too thanks to removable backpack straps a heavy duty shoulder strap and more grab handles on either end accessing gear is easy through the lockable d zip flap and there is even an id pocket on top to increase accessibility at the airport with two internal mesh pockets an internal wetdr