Blueberry Pet Soft & Comfortable Paisley Flower Print Neoprene Padded Dog Harness, 5 Colors, Matching Collar & Leash Available Separately Chest Girth 19.5-25.5", Chest Strap 6", Width 3/4", S/M; The chest strap is not adjustable. For a safe and fit purchase, be sure to check the neck and chest; A properly fitting collar and harness won't leave any room for your dog to chew. The harness does not stretch itself. NEVER leave your dog unattended with a harness on. Made of high density polyester webbing. The buckles are made of eco-friendly plastic, which matches the color of the webbing. This harness is a single product. Its matching collar (B01827CQF4) /leash (B01EFMRSEE) /bed (B012MZ7PYY) sold separately. Machine-washable, in cold water on the gentle cycle All pictures are taken with our production samples from a size 3/4"(wide) * 20-26"(chest).