1. Comfortable children's bicycle seat cushion: The surface of the children's bicycle seat cushion adopts non-slip and wear-resistant PVC leather texture, which feels comfortable, has good elasticity, is soft and comfortable, and better protects the hips! Let sons and daughters enjoy the fun of riding. 2. Compatibility: It adopts standard size seat rails and is compatible with most seat post clamps. 3. Curve design: Unique groove design, breathable and comfortable. This ergonomic and comfortable bicycle seat cushion can disperse the back pressure to the entire seat cushion surface, instantly relieving sciatic pain. In order to make sons and daughters ride happily, this is a gift for sons and daughters. 4. Size: 230mm x 140mm. Suitable for most teenage riders on 14-inch to 24-inch bicycles. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.