Features: The unique design of the back, the force acts on the armpit and shoulder of the cat , not the neck. Lightweight, soft, breathable, which can effectively prevent injuries, give extra-comfort and protect. This cat vest harness and leash combo - escape proof eliminates the complicated lock design. The size can be adjusted freely easily put on/take -off. Suitable for most cats. Wider adjustablity at neck & chest suits best for your growing little friend. Specifications: Material: Polyester Rope Width: Approx.1.5cm /0.59in Rope Length: Approx.150cm /59.306in Bust Circumference of Small: Approx. 28-45cm/11.02-17.71inch Bust Circumference of Large: Approx. 38-55cm/14.96-21.65inch Color: 4 Kinds Optional Package Includes: 1 Set Cat Harness Leash note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.