100% waterproof bag outdoor gear dry gear cylinder dry sack material :tpu tarpaulin dry gear 100% waterproof bag This is a 40L Waterproof dry bag, it is an ideal product for your outdoor sports (river rafting, boating, sailing, driving,and fishing etc.), you can put all of your personal accessaries including mobile phone, MP3, PDA, camera etc. into it, it can protect your items from dust, water, ...