Collar 10"-15" Size S; the collar does not stretch by itself, but it is adjustable, be sure to leave only 2 fingers between the collar and the dog’s neck. A well-fitting collar leaves no room for your dog to chew on and breathes for him pets. This necklace is a unique product. However, it comes with a matching leash to complete the look. Leash sold separately. Made of high quality polyester and stainless steel fittings. Seams, excellent workmanship, stable buckle, easy to put on and take off, easy to wash and dry. Rust-proof zinc alloy D-ring (also for essential names and microchips) with attached solder to ensure the safety of daily outdoor walks, hiking and camping, your pet company will love it. Lightweight and comfortable collar, perfect for most dogs, such as: Chihuahua, Beagle, Yorkshire Terrier, Labrador, Golden Retriever, Huskies, Dachshund, etc. S: Neck circumference: 25-40 cm, width 1.5 cm Suitable for smaller and softer dogs (5-17 kg), such as: Corgi, Cocker Spaniel, Pug ,