It is heavy duty constructed harness with stanless steel buckle and tag. The Adjustable straps can be adjusted to fit according to your dog's size. It will reduce tugging and pulling on your pet's neck and make your pets walk comfortable. It is available in three colours. Neck Size minimum 4 inches, maximum 6 inches and chest size minimum 7 inches and maximum 9 inches. Please measure the chest and neck size before buy.