[ SIZE ]: Chest Girth 16.5-21.5", Chest Strap 4.5", Width 5/8", Small; 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
[ MATERIAL ]: Made of high density polyester webbing. The buckles are made of eco-friendly plastic, which matches the color of the webbing
[ MATCHING PRODUCT ]: This harness is a single product. Its matching collar (B085RPB156) /leash (B085RH4GT4) sold separately