Childrens chair with PVC on the seat. If the seat is dirty, it will be easily wiped off by wiping it immediately. With elbows, it will wrap your childs butt. The seat surface is 1.2 inches (3 cm) wide and can be adjusted to 2 levels. Seat Height (Approx.): (Top) 9.8 inches (25 cm) / (Bottom) 8.7 inches (22 cm). The upholstery of the seat and back board is made of PVC, so even if your child gets dirty, it can be easily wiped off by wiping it immediately. This product is perfect for children who enter kindergarten and school.