Option 1 Description: Wider and bigger: This most comfortable bike seat is made of thickened silicone and foam with excellent shock absorption, allowing you to enjoy your cycling workouts. Bicycle gel seat cushion, one piece, soft and comfortable, not easy to deform, suitable for men/women. Breathable design: The middle groove design, the surface layer is breathable fabric, which is highly breathable. Fixed strap + drawstring design, double fixed front and rear, no displacement. EASY INSTALLATION: The bike seat can be easily mounted on the most common bicycle seatposts, both indoors and outdoors. Fits many models: almost all types of mountain bikes, e bikes, bicycles, folding bikes, the best bike saddle replacement for your riding life. Specification: Color: Black Material: Silicone sponge Size(LxWH): Approx. 27.5x26x3.5cm/10.83x10.24x1.38inch Package Includes: 1 Piece Bike Seat Cover Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wish you a wonderful on line shopping! Option 2 Description: Wider and Bigger: This most comfortable bike seat is made of thickened silicone and sponge with excellent shock absorption, allowing you to enjoy your cycling workouts. Comfortable: Bicycle seat cushion, one piece, soft and comfortable, not easily deform, suitable for men and women. Breathable: The middle groove design, the surface layer is breathable fabric, which is highly breathable. Easy Installation: The bike seat can be easily mounted on the most common bicycle seatposts. Fixed strap + drawstring design, double fixed front and rear, no displacement.. Fits many models: almost all types of mountain bikes, e bikes, bicycles, folding bikes, bike saddle replacement for your riding. Specification: Color: Black Material: Silicone and sponge Size(LxWxH): Approx. 27.5cmx26cmx3.5cm/10.83inchx10.24inchx1.38inch Package Includes: 1x Bike Seat Cushion