Withstands quick submersions and will float if dropped in the waterEarth-friendlier PVC-free materialsThese lightweight dry bags are made with tough, low-friction nylon and are shaped specifically to fit kayak bow and stern compartments for the most efficient use of space. RF-welded seams and a roll-down closure ensure waterproof protection and, to ease packing, Kodiak Taper dry bags all feature a low-profile purge valve valve, that easily eliminates excess air.