3 SIZES FOR A PERFECT FIT - All of our belly band holsters are adjustable but the 3 lengths ensure you don't have a lot of material left over. The Medium fits up to a 37" belly, Large fits up to a 42" belly, Extra Large fits up to a 53" belly. Measure belly or hips, whichever is larger and always round up if you are between sizes. ONE SIZE FITS ALL HOLSTER - Surgical grade elastic holster fits almost any gun from micro, subcompact, compact, and even full size pistols and revolvers. 380, 9mm, 40 auto, 45 ACP, 38 special, 357, and 10mm etc. Patent Pending Retention Strap provides a fast smooth draw. CARRY IN ANY POSOITION - Can be worn inside the waistband IWB, outside the waistband OWB, cross draw, appendix, 5 O'clock (behind hip), small of back, and even high up like a shoulder holster or concealed carry shirt. CHOOSE RIGHT OR LEFT HAND DRAW - Bellyband Holster is available in right and left hand draw. Fits Glock 19, 23, 38, 25, 32, 26, 27, 29, 30, 39, 28, 33, 42, 43, 36, Smith and Wesson, Bodyguard, M&P Shield, Sig Sauer, Ruger, Kahr, Beretta, Springfield, Taurus, Kimber, Rock Island, Bersa, Kel Tec, Walther, and more. COMFORTABLE CONCEALED CARRY GUARANTEE- all ComfortTac products come with the manufacturer's Buy and Try Satisfaction Guarantee. Buy and Try any ComfortTac holster (yes, you can use the product) and if you're not 100% satisfied with your ComfortTac holster simply request a refund or exchange within 30 days.