Bianchi Accumold Black Holster 7120 Defender (Size 13 Glock 17 22) 100% NYLON WEB Imported Reinforced thumb snap closure Internal Tension Strips enhance gun retention Bianchi's Pinch Retention Device (PRD ) enhances retention by gripping the pistol's trigger guard Unique Coptex lining that helps protect gun finish and allows smooth draw Metal reinforced 2.25" (58mm) jacket slot belt loop, curved for comfort