This is the DUI Heavy Duty Cordura Zipper Pocket - 3 Options Available Features: Heavy-duty cordura Large 6 x 9.5" DUI zipper pocket with knife sheath for your drysuitLarge with Knife Sheath 6" x 9.6" (5" knife sheath on outside) Small 6" x 6" Two-way zippers for one-handed use underwater Large D-ring for tying off accessories Customize your dry suit setup with these heavy duty cordura Utility Pockets from DUI. "