Remora IWB Holster #10 Designed for Large Framed Semi-automatics with a 3 5/8 to 4 1/8" Barrel Famous Remora non-slip material Ambidextrous Smooth interior liner with marine grade thread used on holster and non slip binding Waterproof / Fire Retardant / Washable / Lightweight / Durable Hand crafted in the USA!