【Accurate Sizing For Extra Small Cats】🐱Size S: [Neck Girth: 6.6" - 8.5"], [Chest Girth: 9.0" - 12.0"], [Weight fit kittens: 3.5-5.5lb]. Please measure your cat carefully and refer to the size chart before buying. CatRomance Cat Harness Keeps your felines looking fashion-forward with an all-over print "A-Star". Package includes: 1*Cat Harness and 1*Walking Nylon Leash (150cm). 【To be Real Escape Proof 】Cat Harness features double security designs- Magic Tapes and Back Buckles, which can prevent your cats from slipping out, never worry about your cat getting lost during outdoor adventures. Moreover, the cat vest harness applies gentle pressure to your cat’s shoulders rather than their neck and throat if they begin to pull, which offers much more comfort and security than a basic halter harness. 【Breathable and Comfortable】This lightweight vest style cat harness (approx. 100g) is made of soft & breathable air-mesh fabric, which can distribute weight and pressure evenly during the warm summer season. Importantly, made with a soft edge and resilient cushioning, the cat harness for walking can effectively prevent injuries, it's very secure and doesn’t have pinch points as the strappy harnesses do.