Queenmore Dog Life Jacket, Adjustable Ripstop Dog Vest for Swimming, Boating with Rescue Handle, Superior Buoyancy - Green, XLBrand: Queenmore Color: Green Features: Pre Purchase Measurement To ensure better fit, it's essential to measure your dog's ribcage at its deepest point and then choose the right size according to the size chart. If your dog's measurement falls between sizes, please pay attention to the weight recommendation or opt for the next size up. The size range of dog lifesaver spans from Extra Small to Extra Large, catering to puppies, small, medium, and large