The dry bag make by waterproof material to keep things away ... /45L6) With strap/belt for carrying6) Function: waterproof and dustproof.Could be used in such Sailing ,Diving,Boating, ... CanoeingFishing,river rafting,Mountain climbing,travelling,camping and other outdoor sports.We are bags factory here ... tote bags,duffel bags,travel bags,sport bags and waterproof bags,dry bags etc.Pls feel free to ...