Features: 1. Not suitable for any medium or large breed. Please measure your pet and refer to the size chart before ordering, not just the weight or variety. The chest size is preferred. If the measurement is between 2 dimensions, select the larger dimension. 2. The waterproof fabric is used to ensure rain free. 3. High quality zipper, easy to use, easy to put on and off. 4. It adopts adjustable strap design, which is multi-functional and practical. 5. Seamless welded D-ring, thicker, more resistant to tension.