Specifications: Available Color Variant: Blue / Gray / Pink Material: Metal, PP, Sponge, Polyester Dimensions: 16" x 22.5" x 32"-40.5" Seat Depth: 10"-12.5" Seat Width: 16" Seat Height: 17"-21.5" Footrest Height: 4"-7" Backrest Size: 14.5" x 16" Weight Capacity: 220 lbs Net Weight: 16.5 lbs Key Features: Adaptive Double Backrest: Designed with a flexible double backrest that rotates 0-30° left and right and tilts 0-25° forward and backward, this kids' study chair adjusts to different sitting positions while supporting comfortable posture. The backrest height can also be adjusted by 5". Adjustable Seat Height and Depth: The seat height adjusts steplessly from 17" to 21.5" using the convenient crank system. A 2.3" seat-depth adjustment provides a customizable fit for growing children between 3'3" and 5'3" tall. Cushioned and Breathable Seating: A high-density sponge-filled seat provides supportive cushioning for homework, reading, computer use, and other seated activities. The breathable polyester fabric helps promote airflow for a more comfortable sitting experience. Adjustable Tilting Footrest: The footrest adjusts from 4" to 7" to accommodate different heights as children grow. Rotating stepping panels allow flexible foot positioning and provide additional support during extended sitting. Stable H-Shaped Base: Wide H-shaped legs provide a balanced foundation and support up to 220 lbs. Adjustable foot pads help keep the chair stable on different floor surfaces, making it suitable for bedrooms, study rooms, and learning spaces. Note: Actual product color may slightly vary from the images shown due to lighting conditions during photography and individual monitor or device display settings.