Our product is a nice, safe, stable bike backrest. It is needed when you find the back seat of your electric bike is dangerous to carry a young. For your safety sake, this backrest is exactly what you are looking for. It easy to adjust to any bike rack. It can be used on standard back seat and universal for most of bike. Features -Color:Black -Material: Iron, sponge, -Size:21.00X18.00X12.00cm/8.25X7.07X4.72in -The electric bicycle backrest replacement is made of soft and wear-resistant material, durability of use. -The convenient rear rest features an ergonomic design that provides a comfortable and easy-to-clean experience. -This universal backrest has a neat appearance that adds a touch of fashion and fun to your travels. -The thick padding of this backrest provides comfort and skid-proof protection, ensuring and comfortable riding position. -This rear-rest allows your to lean back and relax while you ride, providing a comfortable and enjoyable experience for you. Package list: 1 backrest