The product description 1. Dog chain collar material: high quality durable zinc alloy, with zirconia diamond decoration, elegant and beautiful, strong, can not be opened. 2. Please measure your dog’s neck size, measure where you want the collar to go and add an inch or two. 3. Dog collar weight: S about 15g, M about 20g, L about 25g, lightweight, wear-resistant, anti-allergic, will not weigh down pets. 4. The strong metal collar is suitable for small dogs, puppies and other pets. Like Teddy Bear, Bichon Frize, Chihuahua, Corgi, Miniature Schnauzer, Pug, Rabbit, Cat, etc. It’s a great gift,