Oversize & Compatibility: Wide bike gel seat saddle cover is 12.80*11.80 inches. Weight 510 g. The exercise bike seat cushion fit for spin class/peloton/nordictrack etc indoor stationary cycling spinning bike. Also fit for outdoor mountain MTB/road/commuter/cruiser comfor cycle. Please confirm this bike seat cushion can fit your original bike seat before ordering | X-Large Gel Bike Seat Cushion Covers: Zacro bike seat cushion cover boasts an innovative design, incorporating premium-grade memory foam and gel materials. This advanced combination not only provides exceptional comfort, but also offers superior durability and shock absorption capabilities, reducing pain and discomfort for riders | Non-Slip Design & Easy Installation: Anti-skid leather, draw-string and 2 extra straps can effectively prevent the bicycle seat cover from sliding. No tools needed, easy to install, just slip the bicycle seat cushion over the seat, properly tie the draw-string and straps and keep our exercise bike seat cover in place | Ergonomic Design: The surface of the Zacro gel bike seat cushion is made of breathable, moisture-wicking, and quick-dry Lycra fabric. The secure stitches and sturdy fabric ensure that the cover won't easily rip or tear. The pressure relief channel in the middle of the cushion allows for perfect airflow, promoting heat dissipation and keeping riders cool and comfortable during their rides | After-Sales Service: Should you have any questions or concerns, our Zacro team is available 24/7 to assist you. Zacro Bike Seat cushion hopes to bring you a different riding experience