Small ONLY available BREATHABLE & LIGHTWEIGHT: The breathable and lightweight air mesh keeps your dog cool in hot days. After being immersed in water, the mesh will become a heat exchanger, which cools your dog. SIZE & COLOR: The leash length is 5ft, and the leash width is 0.5in . S SIZE harness's chest 13-15.5 in. Please measure your dog's size before purchasing for better fit. 6 colors are available for your dog: red, black, blue, pink, beige and grey. NO PULL & NO CHOKE: This dog harness has two sturdy metal D-rings on back to attach the leash, no tugging and no choking on your pet's neck. And the puppy leash is lightweight for casual walking. EASY TO PUT: Adjustable straps create perfect fit for your dog. And quick release buckle makes you easily to put it on and take it off. The safety lock buckle design also makes it much safer when you walking your dog. REFLECTIVE LEASH: The leash is designed with reflective rope, which provides great visibility in the dark and guarantees safety for you and your dog. And the leash handle with a metal ring, which could hang garbage bags to place pet's litter.