Size XS chest 26cm/ 10.2", fit for cats, kitten 1-3lbs Mesh fabric design, it is soft, comfortable and breathable, give the better wearing experience to your baby dog. With reflective stripe and logo, it safey for your dog while walking in the night and you can find it more easily in the busy street. Quick release buckle and simple design, make it easy to put on and take off; also there are two adjustable buckle to better fit the chest. Leash include, perfect for daily walking your dog, this harness leash fit for small dogs like Chihuahua, Pomeranian and Yorkshire Terrier. Size Details:Size XS chest 26cm/ 10.2", fit for cats, kitten 1-3lbsSize S chest 34cm/ 13.5"; fit small dogs, puppies or cats 3-7lbsSize M chest 40cm/ 15.5"; fit small dogs, puppies or cats 7-11lbsSize L chest 44cm/ 17.5"; fit small dogs, puppies or cats 11-15lbsSize XL chest 52cm/ 20.5"; fit small dogs, puppies or cats 15-22lbsLeash length: 120cmPlease Note:Please kindly measure your pet dog before order this item.Any question please feel free to contact us, we will try our best to get the question solved as soon. Thanks!