HydroStop Lightweight Dry Bag by Frog & CO

Features: Keeps Your Gear Bone-Dry: Special polyester interwoven with special waterproof fibers keeps even the tiniest drop of water out, so your gear stays dry and in perfect condition. Simple 3-Step Waterproofing: It's super easy to waterproof your gear. Just place your gear inside the bag, roll the top down several times and snap the buckle closed.