Made of great material, it is durable and safe for use. This electric bicycles seat is very easy to install, giving you of convenience. You can send it to your families and friends as a gift, they will be happy. Features -Color:Black -Material:Iron, sponge and -Size:27.00X20.50X14.00cm/10.61X8.06X5.50in - 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. - Excellent performance and fashion design meet your needs and make the bike cooler. - 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. Package list: 1 x Backrest