Make sure to measure your dog's girth. Please see the instructional picture below to properly measure your dog's girth. Color: Black ,Red,Camouflage SIZE : (Adjustable) Small Medium Large X-Large S : Fits Girth 17-21 inches (45-55cm) M : Fits Girth 21-27 inches (55-70cm) L : Fits Girth 25-31 inches (65-80cm) XL: Fits Girth 29-37 inches (75-95cm)https://contestimg.wish.com/api/webimage/558cd50b138654374d0aa9ed-11-original.jpg