Baiyu Dog Pet Adjustable Harness Chest Strap Belt with Diamonds Easy Fit Durable PU & Bling Rhinestone XS/S/M/L 4 Colors- Black/Blue/Red/Pink Material: PU leather and A888 Rhinestone. PU leather, very comfortable and durable. Sturdy Rhinestone - We used A888 Rhinestone which is in high quality and we sewed the rhinestone on the PU leather, so that it would not drop off. It can last for a long long time. Fashion with Perfect Design - This is a bling harness for pet in different sizes. With rhinestone, your pet would look so attractive. Perfect design for you to control or train your dog. Lightweight & Comfortable - It is very light weight for you to carry in your pocket while you walk with your dog. It is also comfortable, breathable and easy to wear for your dog. Size: XS- width 1/2" (1.3cm), neck strap 7-3/5" -- 9-3/5" (19.5-24.5cm), chest strap 10" -- 12-2/5" (26.5-31.5cm); S-width 1/2" (1.3cm), neck strap 9-1/4" -- 11-1/5" (23.5-28.5cm), chest strap 12-2/5" - 14" (31.5-36.5cm); M -width 3/5" (1.5cm), neck strap 10" - 12-3/5" (26-32cm), chest strap 13 - 3/4" -- 16" (35-41cm); L- width 4/5" (2.0cm), neck strap 11" -- 14" (28-36cm), chest strap 15" -- 18" (38-46cm). Note: Please know the leashes is not included in the package.