The ANSS-104 Adjustable Nylon Shoulder Strap is made of 1-1/2" Nylon Webbing for extra comfort also provides adjustment capabilities and attaches with two swivel clips. The ANSS-104 Adjustable Nylon Shoulder Strap is a recommended item for our RTP-401, RTP-401P and all SSRH-500 Holsters. It can also be used with other pouches as well.