CatYou Durable Pet Dog Car Safety Harness + Nylon Seat Belt Restraint The harness is durable but lightweight and comfortable Fully-padded vest with breathable liner provides superior comfort and safety Adjustable neck girth and chest girth Small: Harness: Neck Girth: 8"-10.5"; Chest Girth: 15"-17"; / Seat Belt: 11.5"-16.5" Adjustable; / It suits for 2-5Kg (4.4LB-11LB) pet dog or cat. Package Contain: 1 * Pet Harness, 1 * Seat Belt