The material of our backrest is ABS and steel. The surface provides a comfortable feeling and can be cleaned more easily. It your teens ensured with safety. Neat appearance makes the travel full of fun. With this bike backrest, teens can lean back and relax when you are riding. Features -Color:Assorted Color -Material:ABS, steel -Size:20.00X15.00X12.00cm/7.86X5.89X4.72in - It is suitable for many simple model electric bicycle. Simple design for easy cleaning and installation. - With stable bracket, durable and strong, this electric bicycle's backrest can work long life. - Comfortable cushion for long travel, vented ergonomic relieves pressure, comfortable and breathable, maintain a comfortable ride for a long time. - Versatile and easy to mount: This bike backrest is very easy installation and suitable for all kinds of bike, such as mountain bike, road bike, folding bike. - Excellent performance and fashion design meet your requirements. Package list: 1 x Backrest