100% Safe for your dogs. High grade Polyester Oxford and Nylon Fabric, Mesh Fabric, Pearl Cotton Foam, which provides your dog more comfort and healthier conditions. | The oxford nylon fabric is ripstop, and the mesh fiber allow for quick drying and proper drainage. Available for 3 sizes, from S to L, please refer to the dimension chart to choose the right size for your dog. | The front float assists in keeping dog's head above water. The flexible and cute dorsal fin on the back allows for maximum adorableness AND as a handle to provide quick control of your puppy. Bright colors to enhance maximum visibility. Adjustable belt and quick-release buckles to make your dog fit comfortably, easy to put on and take off. The Heavy-duty D-ring Hook is perfect for dog leash. | NOTE: Please measure your dog before choosing the size. Please use soft measuring tape and select the size based on chest girth (the widest part of ribcage) of your lovely dogs. if your dog is on the line between sizes, we recommend the larger size for more comfortable fit about your dog. | 30 Days Replacement Warranty. If received the cracked item, please feel free to contact us as soon as possible. We will shipping the new one to you!