Small (S): Easily adjustable, wide adjustment range, suitable for small growing dog necks 25-38 cm (10-15 inches), Webbing width: 1.5 cm (5/8 inches); please use a soft tape measure to measure yours dog's neck girth and add 1-2 inches to get the right fit Made from ultra-soft, silky organic cotton corduroy with durable rose gold-plated hardware, it's comfortable and long-lasting for your dog's daily use; what's more, the corduroy gets softer and softer the more you use it, the better for your dog. The more comfortable it is, the more enjoyable the walk will be for your dog Corduroy is naturally hypoallergenic, antibacterial, and odor-absorbent, and is recommended for dogs with allergies to nylon, polyester, or leather Unlike nylon/polyester collars, this corduroy collar has no hard tar and stitches inside to rub against your dog's neck, so it won't cause itching issues and your dog will love wearing it The quick-release snaps are made of high-quality, smooth and durable metal, making it easy to put the collar on/off your dog and safer than collars made of plastic