Highlights Adjustable height active seating stool Engage core and develop good posture Seat adjusts from 15.7" to 21.7" high Lightweight and easy to move Rubber anti-slip base to rock 360° GREENGUARD [GOLD] Certified for low VOCs CPSIA compliant ANSI/BIFMA X6.1 Educational Seating sections 8 and 10 Stool measures 13.2" L × 13.2" W × 15.7"-21.7" H Description Support the body's natural need for movement while working with The SitWell Adjustable Stool. Seats that rock, tilt, and swivel allow for freedom of movement and encourage good posture and alertness while learning. This movement stool features a non-slip seat and rounded rubberized base that helps keep the chair in place on hard or carpeted surfaces. The seat height adjusts from 15.7" to 21.7" high with a push of a button to accommodate a range of users; it requires a minimum of 105 lbs to adjust the seat down. Designed for everyday use in schools, homes or offices, these functional and colorful stools are a fun way to provide extra seating in any learning space. Quickly and easily rearrange workspaces to create a dynamic collaborative environment between students or use for individual work study. Continuous small movements increase blood flow to the body and brain aiding concentration without distracting others nearby. Active seating is ideal for individuals who have restlessness, ADHD, ASD, or sensory sensitivities. The lightweight seat is the perfect grab-and-go stool for taking the classroom indoors and out. This wobble seat comes fully assembled and is maintenance-free.