COR Surf 40L Waterproof Dry Bag BackpackMade to endure the harshest elements. Have faith that your gear will stay dry when you need it the most. Floats safely if dropped in water Sonic welded seams, padded ergonomic shoulder straps and rolling hook and loop closure Padded Laptop Sleeve compartment to keep laptop or cameras safe [11 x 14"] Mesh side pockets for your water bottles (up to 32 oz) Reflective strip for nighttime riding or walking Top adjustable buckle strap to store larger items