XCSOURCE 4x 5mm Thick DSLR camera Drawstring Soft Neoprene Lens Pouch Bag Cover for Sony Canon Nikon Pentax Olympus Panasonic(S+M+L+XL) 5mm thick (roughly) Neoprene - provides great protection and shock absorption for your lenses. Belt Loop - allows you attaching the pouch to your belt, for convenient carrying. Hook - allows you attach the pouch to anywhere with a ring (such as camera bags and backpacks). Finest Quality Water-resistant neoprene Products!