Size: XXSmall. Chest Perimeter: 18.9' - 21.1'. Please measure the size of chest accurately before purchase. Stylish, Durable, Scratch-Resistant material. Large loading capacity greatly improves tensile strength. Easy to put on and take off Harness. Comfortable Lightweight Mesh Lining with Soft Sponge Padding in chest and belly. Adjustable straps allow a custom fit for your dogs Safety Features include Reflective Material to Ensure Visibility at Night PetLove endeavor to be the Best pet supply company. Any PetLove products are covered with 3 month+ warranty.