The Mares XR cam bands are standard { 2 in | 5 cm } width nylon webbing tank strap with a strong three slot cam buckle that cinches very tight. The cam buckle is marine grade stainless steel in a flat matte finish and stamped with the Mares XR logo. Excess webbing is secured using Velcro, which will also prevent the buckle from accidentally coming open. The standard length of { 38 in | 96 cm } will easily accommodate 6.9-inch, 7.25-inch and 8-inch cylinders. Priced and sold as a PAIR.