This dog life jacket take inflatable insert design, whose buoyancy is greater than normal foam and plastic dog jacket on the market. Lightweight,safe and convenient use, it is a perfect swimming wear for your pets, whatever it is a seasoned water dog or a beginner of swimming.   Features: Made of nylon, polyester and PVC, more durable and quick dry.  Portable and collapsible, when no need, put airbag gas out, life jacket can fold easily and carry.  Bright fluorescent green color and reflective, more easy to identify the dog's position and prevent the dog from missing.  Our life jacket increases comfortable feeling, the air cushion with the same volume should be more buoyant than foam cushion, dog will swim more easily and safe.  S/M/L different sizes for your option for your lovely pet.   Specifications: Item Name: Inflatable Life Jacket;  Material: Nylon, Polyester and PVC;  Color: Green;  Item Size and Weight: S chest girth: 44-52cm, neck girth: 34-40cm, back length: 24.5cm, weight: 220g;  M chest girth: 52-70cm, neck girth: 44-56cm, back length: 29cm, weight: 377g;  L chest girth: 70-86cm, neck girth: 60-74cm, back length: 34cm, weight: 400g;   Package Information: Package Size: S 25 * 17 * 5cm, M 29 * 23 * 6cm, L 34 * 28 * 7cm;  Package Weight: S 240g, M 387g, L 410g;   Package List: 1 * Dog Inflatable Life Jacket