Features: Provide a safe and comfortable cycling experiences, durability, and easy to install. Using high-strengths component, waterproofed and wear-resistant; Ergonomics. Suitable for most electric bicycles, ensuring comfort and safety for children when cycling. Suitable for family with children, especially parents who enjoy cycling electric bicycles for transportation. Suitable for daily commuting, Weekends leisures cycling, or short trip, allowing children to enjoy the fun of cycling with peace of mind. Specifications: Color:Seven Choices Dimension:2121cn/8.268.26in Component:leather iron Package Includes: 1pc Electric Bike Child Backrest note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.