Certification: SOR Material: Plastic Origin: Mainland Age Range: 4-6 years Description: Our stroller board is not easy to loosen after installation and is safe. In addition, there are two seats, which are really suitable for families with two children. Specifications: P4-3cm: Material:*6 cm 13.78*18.50*10.24 inches (height*length* width)Weight: about 1.28kgPackaging weight: about 1.56kgPackaging size: about 48*28*11cm\\/18.90*11.02*4.33 inches Applicable age: 3-7 years Tire material: PULoad: about 25kgNet weight: about 1.2kgNet weight: about 1.2kg cart, but helpedal alone in the cart 2. This tread is not common to all strollers. 3. The rear wheel of the stroller must have a horizontal axis, the length of the horizontal axis is greater than about 23 cm\\/9.06 inches, and the height of the horizontal axis from the ground is recommended to be about 12-17 cm\\/4.72-ac. 6.69 inches. yom the horizontal axis is too high or low, otherwise it will be tilted when the pedal is installed. assurance and lighting in photography may result in a difference in color than in reality. See more product information 1. Easy to install: This stroller disc attaches in seconds and has a storage strap that keeps it out of the way when not in use. It is perfect for family use. 2. Special design for use: This board trolley offers flexible board placement to the left or right of the center, our trolley board creates extra walking space if you don't bump into it on your walk. 3. Suitable for 2 children: This city roller trolley is very useful, it is perfect for families with two children. One can sleep on the trolley and the other on the pedals. The children will enjoy the time on this trolley. It can solve the problem of traveling with two children. 5. Perfect for children: This excellent stand board is perfect for children, it is not easy to install but also allows your child to stand and be pushed around. It's so fun and interesting.