Product Details ↓ Quoted from the internet: Adjustable Design: Adjustable straps for a comfortable fit, allowing you to adjust to the optimal size for your dog's body shape. Safety First: Durable stitching and high-quality hardware are used to ensure safety during walks. Easy to Put On and Take Off: Features a one-touch buckle for a quick and easy-to-wear practical design. Comfortable Fit: Uses breathable materials to support your dog's comfortable walks. Transactions are 3N (No returns, no refunds, no exchanges).