Large Solid Adjustable Soft-Padded Pet Collar with Alloy Buckle, Black Made of duarble, tight-woven nylon Soft, comfortable cushion padding runs along most of the inner side reducing stress caused from pulling. Strong and lightweight alloy buckle Width: 3/4 (0.75) inch. Length: 18 inches (adjustable down to 14 inches in 1 inch increments) Easily sized