- Upgraded Child Seat: This children's desk chair features a double back support and flip armrest design, providing essential support for your child's back, waist, and arms. The seat is crafted to fit your child's body curve, promoting proper posture and healthy sitting habits. - Multi-Size Adjustment: Our children's computer chair offers versatile height and depth adjustments. The foot pads can be raised or lowered by 3.93 inches, the seat cushion adjusts up to 4.72 inches in height, and the backrest can move forward and backward by 1.57 inches, as well as adjust vertically by 1.18 inches. These customizable settings ensure your child maintains an ergonomic sitting position. - High-Quality Materials: Constructed with durable metal materials and excellent craftsmanship, this writing chair is built to last. The backrest and seat cushion are filled with thick, highly elastic sponge for superior comfort and support, accommodating a maximum weight of 150 lbs. - Gravity Self-Locking Wheels: Equipped with gravity self-locking wheels, this chair enhances safety. The wheels automatically lock when weight exceeds 20 kg, preventing unwanted movement. When your child stands up, the wheels unlock for easy mobility. The stable starless base ensures your child remains focused and secure while studying. Ideal for use at home, in classrooms, or during online learning sessions, this chair combines comfort and safety to create an optimal learning environment.