Smart Doggie Pure Nylon collars are available in three sizes: 0.75 inch 1.00 inch 1.25 inch 1) 0.75 inch collar will be suitable for small dogs weight 0-10kg like Pomeranian, Chihuahua, Pug, Shin tzu, Beagle, Dach shund & more. 2) 1.00 inch collar will be suitable for medium dogs weight of 10-20 kg like Beagle, Siberian husky, Dach shund & more.. 3) 1.25 inch will be suitable for all big dogs weight of 20-35 kg like Golden Retriever, Labrador Retriever, Dober man, Siberian husky, Dalmation, Afghan hound & more.. High quality Pure Nylon choke collar are adjustable & comfortable for your dog. It also keep your dog from pulling and keep a firm control over your dog. The collar is resistant to breakage and is adjustable so as not to strain your dog’s neck. The nylon is super soft and the collar is easy to slip around your dog’s neck. This premium quality that will be your assistant in training your pet, teaching it commands obedience & evening walk with your flurry friend.