Children's professional orthopedic safety seat, upright sitting with learning growth. Ergonomic Computer Chairs Change the stuffy, uncomfortable state of traditional Chairs completely. Multi-functional learning seat set suspension U-shaped design, adjustable waist support up and down, suitable for children of different ages. Family Learning Seats For ChildrenW saddle cushion the secret of sitting and not tired,Chair With Wheels according to the curve design of human buttocks, concave and convex design to disperse the pressure of buttocks, sit comfortably and study easily. Ergonomic design of orthosis, children's safety chair multi-dimensional adjustment, the right sitting posture is the standard sitting posture experts. Safe, reliable and steady, no rollover, no forward tilt, your safety by my guard. The five-wheel wide base, the wheel layout follows the triangular stable structure design, the two-side widened wheel base to prevent left-right roll. The thickened medium carbon steel frame is stable and wear-resistant, bearing capacity of 300 kg without pressure. Orthopedic Study Chair Orthopedic Study Chair, Orthopedic Study Chair, Orthopedic Study Chair.