A luxurious. dual sided collar with universal buckle closure and detachable leash with heavy-duty 32 metal chain!The handle has designer fabric on one side. with supple leatherette on the other.- Collar is fully adjustable up to 20- Polyester (fabric). Polyester with Phthalate-Free PVC (handle). Nickel-Free Iron (chain/D-ring/rivets). Nickel-Free Alloy (clasp/ buckle)