Safe and Durable: Made of high-density PVC board, which is lighter and stronger than traditional wooden boards. Corrosion and waterproof. Our products are strictly polished to ensure safe use. Compared with traditional wooden boards, it has no sawdust, no thorns, etc., and will not scratch the skin, ensuring the safety of you and your child, and the child can use it by himself. Professional design: specially designed for childrens balance bikes, to solve problems that cant be asked. Easy to place and save storage space on the balance bike. The balance car can be fixed directly, no longer against the wall or directly dropped on the ground. Portable and foldable: This product is portable and foldable for you. It consists of two high-hardness PVC sheets, which are lightweight and easy to transport. It saves storage space in use or loads it into your car while driving. You can also easily park your car outside for a picnic. Easy for kids: Easy for kids to use, you just install it and put the bike directly on it. Your child can easily do this and develop a good habit of keeping clean. Product color: black Product size: 21.5*16.5cm Shipping Quantity: 1 Piece