High-quality materials-The outer layer is made of small mesh fabric, which is more breathable. The inside is densely packed with small eye cloth, without dog hair. Comfortable-the new back clip design makes the force uniform and prevents pulling and suffocation. There is no pressure on the dog's neck. Safety-Reflective stripes are designed to be visible at night. Suitable for daily walking, outdoor training, hunting, etc. Easy to put on or take off-adjustable chest strap and quick release buckle. Size: XS (Bust: 26CM. Suitable for 1.5kg dogs). S (Bust: 36CM, suitable for 1.5-3.5kg dogs). M (Bust: 40CM. Suitable for dogs of 3-4.5kg). L (Bust: 46CM. Suitable for 5-7kg dogs). XL (Bust: 55CM. Suitable for dogs 7.5-10kg)Product descriptionSize Name: XS | Color Name: Black/PolyesterFeatures:Comfortable and soft. --Mesh design provides breathability and non-sticky dog hair. --Special back buckle design to ensure uniform force and comfort for the dog. --Adjustable neck and bust. Easy to put on and take off. - Reflective stripes are designed to be visible at night. --Suitable for daily walking, outdoor training, hunting, etc. Specification:Material: Mesh material (polyester)Function: Walk easily. Stop pullingSize: XS: Bust: 26CM, rope length: 120CMS: Bust: 36CM, Rope Length: 120CMM: Bust: 40CM, rope length: 120CML: Bust: 46CM, rope length: 120CMXL: Bust: 55CM, Rope Length: 120CMThe order includes:1 x dog harness1 x dog leash