Fishpond Thunderhead Submersible Pouch A waterproof pouch that you can strap to a boat frame or elsewhere that will keep your valuables dry - 11" x 7" x 2.75" 900D TPU coated NewStream fabric (Riverbed Camo Colorway is constructed in 1680D recycled nylon) Fully waterproof, self-healing TRU Zip zipper closure Hypalon panel on front for tool and accessory attachments Two large Hypalon panels on back with die cut slots for attaching to wading belts or raft frames Nylon webbing strap with snap integrates directly with the back panel on Thunderhead Submersible Backpack, and attaches to molded tabs found on many Fishpond products and most wading belts Fits inside most Fishpond packs and vest back panels