Our stash neoprene bags - retro gray are made from 2mm neoprene wetsuit material, and are designed with men in mind. Black outside with neoprene pattern lining the inside. Nice and manly, but does match your DeckBagZ SUP deck bag. Size is approximately 7" wide by 4 1/2" high. It includes a #5 YKK marine grade zipper, and also has a snap hook to attach your stash bag to almost anything!