SIZING Please measure your pet chest accurately and refer to left size chart before buying! You may need to order a size bigger if your pet's size is at between. Can fit for all cats and most small dogs, Suitable for Chihuahua, Miniature Poodle, Maltese, Terrier, Yorkie, Mini dachshund and similar small sized dog breeds. A matching dog leash is included, Leash length :120cm or 4ft, EXCELLENT QUALITY Ultra soft and highly durable EcoFriendly straps, Lightweight Soft breathable airmesh,100 percent polyester material. ROSH tested, NonToxic REFLECTIVE DESIGN Reflective cat or dog harness strip design makes it visible in low light conditions, Improves safety when walking at night. ADJUSTABLE Adjustable strap quick snap clip, Double stitched around a reinforced anchor hook, sturdy O or DRing for leash attachment and NonBreakaway emergency release clasps for extra pet protection when jogging, running, or hiking PROTECTION Innovative NoChoke design protects pet's fragile trachea and throat no more pulling, tugging or choking for your dogs XSmall Chest Girth 26cm or 10.2inch, Fit weight up to 1.5kg or 3lbs. Leash length :120cm or 4ft, width:1.5cm or 0.6inch Small Chest Girth 36cm or 14.2inch, Fit weight up to 1.5 2.5kg or 35.5lbs. Leash length :120cm or 4ft, width:1.5cm or 0.6inch Medium Chest Girth 40cm or 15.7inch, Fit weight up to 34.5kg or 6.510lbs. Leash length :120cm or 4ft, width:1.5cm or 0.6inch Large Chest Girth 46cm or 18.1inch, Fit weight up 57kg or 11 15.4lbs. Leash length :120cm or 4ft, width:1.5cm or 0.6inch XLarge Chest Girth 55cm or 21.7inch, Fit weight up 7.510kg or 16.522lbs. Leash length :120cm or 4ft, width:1.5cm or 0.6inch Package content 1xvest harness and1xNylon Leash