Waterproof & Anti-theft: BJIAX rolltop laptop backpack is made of new Oxford water-resistant material with SBS zippers, water resistant and durable features make the roll-top travel backpack more ...

This is partly due to the sturdy, impermeable fabric and to the simple yet effective roll-top construction. The Stockholm was also one of the least expensive waterproof backpacks we tested ...

I've bought more affordable zippered and roll top dry bags that have worked perfectly ... On specs One of the first things the designers of "waterproof" bags often miss focusing on is hardware.