PERFECT SIZE:S:Chest Girth: 7.9"-9.1"/20-23cm;Neck Girth:7.1"-9.5"/18-24cm;Back Length:3.4"/8.5cm;Leash Length:56.7"/140cm. Fits for 2.2lb/1kg pet. It comes with a elastic leash. EASY TO PUT ON : This guinea pig leash is lightweight. You need to unclip harness and lay on the floor; place harness on your pet’s back. Then, handle parallel with neckline ring at the back and clip the velcro under the neck and chest. COMFORTABLE HARNESS: Small animal harness designed to reducing tugging and pulling on your pet’s neck and keep your pet safe and comfortable. HIGH QUALITY MATERIAL: This rabbits harness with hard-wearing mesh material and nylon,soft and comfortable to wear due to soft padding. GREAT ACCESSORIES: Our soft bunny harness is designed for small rabbits, such as rabbit,cat,guinea pigs, rabbits, chinchillas, ferrets, hamsters,rats, mice,etc.