Cosmos Black 0.7cm Thick Zipped Nylon Weatherproof Dustproof DSLR camera Lens Holster Pouch Bag Case Tube Cover with Belt Loop for Sony Canon Nikon Pentax Olympus Panasonic with Cosmos Fastening Strap Double zip design. Adjustable belt,can be tied on your belt loop. Soft and thick cotton inner,give youe lens great protection. Inside diameter: 3.75" W x 5" H Outside diameter: 4.75" W x 5.75" H