Kids Study Chair with Adjustable Double Backrest and Footrest-Blue30 swiveling backrest reduces body pressure during movement 25 backrest tilting helps kids to maintains proper posture 5" adjustable backrest height accommodates growing children 2. 3" seat depth customization ensures thigh support 17" 21. 5" stepless height adjustment fits various ages 4" 7" footrest height setting suits different leg lengths Rotating stepping panels adapt to different sitting positions Easy adjustment with the rotating knob and