This chair is made of good plastic material. The chair is made of pp which is a durable material, with a fixed design on the back and bottom. The chair has high stability and quality. Designed with special attention to ergonomics, it helps children develop good sitting habits so that children can have a good spine. The overall edge of the chair is rounded to prevent accidental scratches for kid. There are rubber anti-slip mat on the foot of the chair，which can enhance the friction of ground, protect the ground and protect the child from slipping because the chair is slippery. There is a small circle in the middle of the chair for easy access when the chairs are stacked.

The size of this back-rest chair is 41*40.5*57.5cm. There are three colors can be chosen, green, orange and gray. The size of the chair is suitable for children to sit on and this size is easy to move.