MATERIALS: Manufactured; made of good quality steel, well chromed. for solidity. The surface of the chain is perfectly smoothed to avoid hurting the animal. RESISTANT: The necklace is durable thanks to; its chain structure, very resistant to bites. The chrome layer makes the collar waterproof and scratch resistant. rust. ?Attention?, do not leave the necklace in water or rain for a long time, dry it with a dry cloth as soon as possible after being exposed to water. wet please. DRESSAGE: Good design for training and other daily activities. The idea of the choke collar is intended to training a runaway dog by ensuring your control when the dog pulls sharply. HOW TO USE: The collar is compound With a chain and 2 identical O-shaped rings at the ends of the chain, its use is a little different from classic necklaces. Attach one of the rings to; a leash, with the remaining ring, insert the chain in this ring, then slide it, this gives you a slipknot, pass the chain around your pet’s neck.