Safariland 37 Open Top OC Spray Holder Black, Basketweave, MK4 Fits: Guardian 4 oz., Defense Tchnology MK4 3 oz., Freeze 4 oz., and Punch II M-4 4oz. Canisters (1.5" in diameter) Open Top design for quick access to defense spray Black basketweave finish Thermal Molded SafariLaminate construction