Description: Our height-adjustable desk chair will grow with your little one(6-15 years old). The premium gas lift system and an adjustment lever allow the chair to easily lift up and down. Ergonomic backrest helps little ones to develop a good sitting posture. Smooth armrests and elastic mesh seat add more sitting comfort. The breathable nylon mesh fabric ensures heat dissipation and excellent durability. Besides, the 360° swivel seat ensures easy changing direction. 5 flexible wheels allow for easy movement. And the sit-brake wheels will automatically lock when the pressure is over 25kg and automatically loose when little ones stand up. Features: 43-55 cm height adjustable of seat is suitable for little ones of different ages(6-8 years old, 9-12 years old, 13-15 years old) Curved backrest, side armrests and comfortable seat to support your back, waist, arms and hip 360-degree swivel seat for little ones to change direction without moving the chair 5 sit-brake wheels can be locked under 25kg of pressure Breathable mesh fabric ensures air ventilation and heat dissipation High-quality PP frame for long-lasting service life More details of the chair: rounded corners and cute colors Great for the dorm, little one's bedroom or study room Easy to assemble with clear user manual Specifications: Color: Purple Material: Nylon Mesh, Sponge, PP Overall Dimension: 57 cm x 57 cm x 80-92 cm (L x W x H) Seat Height: 43-55 cm Seat Dimension: 43 cm x 38 cm(W x D) Backrest Dimension: 43 cm x 38.5 cm(W x H) Diameter of the Base(With Wheels): 57 cm Diameter of the Base(Without Wheels): 50 cm Applicable Age: 6-15 Years Old Weight Capacity: 75 kg Net Weight: 6.5 kg Package Includes: 1 x Kids Desk Chair 1 x Instruction Additional Postage Information: