Description: Product list: 1 backrest cushion, size is 25.5cmx20cm.Applicable: Electric bike Rear Seat Cushion is suitable for most electric bicycles, with a wide range of applications and easy and quick installation.Comfortable cushion: Backrest Rack is filled with high density sponge, providing good support and shock absorption.breathable: Backrest Cushion uses breathable fabrics, and it is not stuffy even if you ride for a long time. Bring you a more comfortable riding experience.Simple installation: Backrest Rack can be easily installed on the back seat of an electric vehicle without cumbersome tools. Specification: Material: Metal Size Chart: 25.5cmx20cm/10.04inchx7.87inch Package Includes: 1 BackrestCushion Note: Please allow slightly errors due to manual measurement and different monitors.