This electric bike saddle is made of carbon steel and sponge material. It is durable, gentle and practical. It can meet your needs well. It can provide your child with a more comfortable experience while effectively improving your child's safety. This is an excellent bike baby safety seat, and it will be your good choice of accessories. Features -Color: Black. -Material: Carbon Steel, Sponge. -Size: About 35.00X20.00X5.00cm/13.76X7.86X1.97inch. -It is made of safe and comfortable carbon steel and sponge material, which is gentle and durable, and has excellent texture. -With good craftsmanship details, good carrying capacity and comfortable touch, it will meet your needs well. -The electric bike saddle is easy to install, easy to use, and easily helps you protect your children's safety. -This is a great bike accessory that can fit your bike well. -The reasonable structure design makes it easy to store and install, bringing you more convenience. Package list: 1 Set x Children Bike Seat