Safariland Model 25-01-21 Inside Pocket Holster-Revolvers Extra-thin, extra-soft holster for extra-deep concealment Firm, moisture-proof membrane layer prevents perspiration from penetrating the holster and collecting on the gun Suede outer material grips clothing for less movement of holster, Black suede finish Holster will stay open; simply drop handgun into the pocket and it holsters itself Refer the HolsterFitChart Fits: Agent Detective Special, DS-II, SF-VI, 2" barrel, Ruger SP101 2.25" barrel, S&W 31, 34, 36, 36LS, 37, 60, 60LS, 38HL, 49HL, 649HL, J Frame 2" barrel Reinforced inner lining allows holster to stay open when empty Moisture proof membrane layer prevents perspiration from penatrating holster and collecting on gun. Extra thin for deep concealment Synthetic suede outer material keeps holster in place when drawing weapon