【Fit Average Adult Cats】 Size X-small fits Chest Girth 9-11 inch, Neck Girth 7-8 inch, please MEASURE your dog or cat carefully and refer to the size guide before purchase, there may have some difference in the different breeds.Package includes harness and leash. WARM TIPS: if it's the first time for your cats to wear this kind of harness, we recommend that you can guide them to get used to wear it indoor firstly then taking them go outside. 【Super Soft & Comfortable】: This escape proof dog or cat harness is made of lightweight, soft, breathable air-mesh fabric, with soft edge and resilient cushioning, which can effectively prevent injuries, giving extra comfort and protection, this all weather pet vest won't be too bulky to restrain your pet's movement or overheat your lovely pet when hot, and reinforced stitching allows you to walk your pet with confidence 【Safer & Better Control】 Our cat harness with reflective stripe can reflect ambient light in extreme low-light conditions, ensuring maximum visibility when night running; This outdoor kitten harness features a sturdy D-ring on the back to attach to a leash. Its vest-style design can evenly distribute leash pressure across the chest and shoulders to prevent choking or neck strain, which offers much more comfort and security than a basic halter or H-style harness.