Material of Dog Chain Collar: This collar is made of premium 316L stainless steel, pure 18K over gold polished, and gold is 20X thicker than other regular plated chain. Chew proof, durable, no rust, no tarnished for years of use! It is simple, smooth, beautiful, make your dogs look cool and stand out , and you don't worry about your puppy's fur get clipped. Collar Sizing and Fit: Chain wide of 10mm, available length of 8”, 10”, 12”; Chain wide of 13mm, available length of 10”, 12”, 14", 16", 18", 14”. Please note that this dog collar is NOT adjustable, please measure your dog's neck and head with tape measure, leaving a space of 2 inches to make your dog more comfortable. Stylish and Eye-Catching Design: Equipped with the 2022 upgraded secure buckle, it is easy to lock and unlock the clasp, and sturdy that cannot be pull it apart even with 700lbs of pulling force. The no choke collar comes with a custom dog ID tag. The super 18K gold over Miami link chain collar is unique , attractive, looks cool on both male and female dogs. Training Walking Chain: If your dog frequently chews through or pulls a lot, or breaks other material chains, this metal curb dog collar is prefect! It is solid and heavy duty, because it is not hollow. High polished craftsmanship makes the surface shiny and smooth, comfortable, so we believe your furry friend will be happy to own this choke collar for dogs. Perfect Match with Most Pets: This dog gold collar chain is great for small medium, or large dog outdoor activities such as walking, running, party or training, Like Rottweiler, Pitbull, American Bully, German Shepherd, Husky, Newfoundland, Belgian Malinois, Pitsky Saint Bernard, English Bull and so on.