1. Size: M Comfortable Model - A thickened, high - density memory foam soft bicycle seat cushion specially designed for women, equipped with double shock - absorbing springs. The seat cushion can prevent sharp edge impacts, offer better elasticity, and make cycling smoother, more comfortable, and more durable. 2. Universal Design and Size - The bicycle saddle uses a standard rail clamp and can be installed on most bicycle seat posts. The bicycle seat is 8 inches wide and 10 inches long. Please ensure that your bicycle post specifications are universal before purchasing. 3. Universally Compatible Bicycle Seat: This replacement bicycle seat can improve the cycling quality of standard bicycles and is a good saddle replacement option for mountain bikes, BMX bikes, road bikes, etc. 4. Our products are made of quality materials, aiming to provide a good user experience. We strive to ship within three days after purchase, and the estimated delivery time is 8 - 47364 days. 5. When shopping, please pay attention to the product's size and specifications to ensure that they meet your needs. In the title and description, we have provided detailed information about the product, including its features and specifications. 6. We hope you are satisfied with your purchase. Therefore, if you have any questions or concerns, please feel free to contact us. We will do our best to assist you. 7. Thank you for choosing our products. We hope you like them.