Description This stable backrest is made of premium plastic and steel. It is very comfortable and ultra sturdy, provides your children with a comfortable riding position. The curved metal holder ensures the security for your children’s safety. Features -Color:Black -Material:Plastic, Steel - Size: 17.50X12.00X13.00cm/6.88X4.72X5.11in -This bike rear-rest allows your kids to lean back and relax when you are riding. - With thick and cushion inside, ergonomic design, this backrest will provide flexible support and protect for your waist, and helps reduce fatigue. - The backrest is designed compact and easy to install, it can also easy to clean and maintain.A replacement for your bike backrest. - This back rest is suitable for most of the bikes, electric bikes and motorcycles, to give you comfort and safe riding in daily life. - Adopts precision production to the stable characteristics and high reliability. This bike rear-rest allows your kids to lean back and relax when you are riding. With thick and cushion inside, ergonomic design, this backrest will provide flexible support and protect for your waist, and helps reduce fatigue. The backrest is designed compact and easy to install, it can also easy to clean and maintain.A replacement for your bike backrest. This back rest is suitable for most of the bikes, electric bikes and motorcycles, to give you comfort and safe riding in daily life. Adopts precision production to the stable characteristics and high reliability.