Soft natural fabric on the outside and inside - perfect for sensitive pups with nylon allergies or chafing Nylon webbing core can withstand over one thousand pounds of pull Reinforced box stitches at all stress points Luxe metal hardware Size Medium Fits necks 14-19" 1" wide Weighs 4oz Excellent Pre-Owned Condition. I barely used it. Only wear would probably be on the hardware if any. Want it to go to a new home!