SIZE CHART: S: neck28-36cm, bust 46-52cm, length 30cm, suitable for pet weight 6-9kg M: neck38-46cm, bust 52-62cm, length 35cm, suitable for pet weight 10-20kg L:neck48-54cm, bust 69-80cm, length 40cm, suitable for pet weight 22-35kg PERFECTLY PRATICAL DESIGN: Hot mermaid design, also the flotation life vest is designed with adjustable belt and quick-release buckles to make your dog fit comfortably, easy to put on and take off. Handle on top for quick and easy grabbing. The heavy-duty D-ring hook is perfect for dog leash. Bright colors to enhance maximum visibility COMFORTABLE & DURABLE: Durable 600D oxford nylon outer and EPE pearl cotton foam inner. Allows for quick drying and proper drainage and Offers the maximum comfort and warmth SIZES AVAILABLE: The pet life jackets are available for 3 sizes, from S to L, meet most sized dogs. Please measure your dog twice to get one size and refer to the dimension chart to choose the right size for your dog. Tips: If your dog is between two sizes, we suggest the larger one CONVENIENT RESCUE HANDLE: The dog float coat features a sturdy rescue handle on top, quite convenient to grab it when putting into or aiding leaving water, make your dog controlled totally STYLISH & DESIGN: The pet floating jacket is out with fashion colors and imitates mermaid and attract person's attention, make your dog to be the focus at pool, beach, or boating with you