EXPAWLORER Choke Free Small Dog Vest X Frame Design with Soft Mesh, Puppy Adjustable Harness for Teacup Chihuahua Poodle Yorkshire Terrier Pink Black, Small Size: S, Neck 13.4" Chest 13.8-19.7" Please make sure the harness' neck opening is large enough to fit your dog's head through. Adjustable chest belt for a perfect fit and easy to put on. Comfortable mesh polyester material, durable breathable air mesh that is comfort for your pet. Choke free design prevent from tugging and pulling Machine washable, but hand washing and air drying are recommended