Freegrace Ultimate Lightweight Dry Sack - Dry Bags (Fluorescent Green, 35-50L) 35-50L size: 27.95 x 19.68 inch(0.567 Pounds/259g); 65-80L size: 37 x 20.86 inch(0.779 Pounds/354g) LIGHTWEIGHT DRY BAG! -Never deal with heavy or stiff dry bags again! Our dry bag made of premium lightweight material is your answer (30% Lighter Than Any Dry Bags on the Markets). Travel lightweight without burden. Say goodbye to exhaustion at the end of the long journey! 100% KEEP YOUR ITEMS DRY AND PROTECTED! -Afraid of water leaking while enjoying the fun of kayaking, boating, hunting, camping or even hiking? Well you don't have to now...our dry bag using great solid roll top closure seal system which is twice as safe than any closure seal available on market. Anything you put inside will stay DRY and FLOAT too! BUT they are NOT SCUBA BAG So DO NOT FULLY SUBMERSE The Top! Perfect for your 65-80L mountaineering bag. lightweight, waterproof.