Flexible Seating: Ergonomic stool that evolves from an inverted rocker to a saddle seat to a perch chair and full seat; easily set up student-centered learning that promotes teamwork and collaboration Perch Stool: The forward seating slope accommodates a range of heights and promotes core engagement; this chair is specifically designed for shorter periods of sitting and helps reduce “camp outs” Indoor and Outdoor: Durable plastic chairs are lightweight making it easy to inspire learning in any environment; the water-resistant quick-dry design will shed water from cleaning Certified Safe: Made in the USA of imported materials, UL GREENGUARD Gold Certified for low VOCs, CPSIA compliant, and meets the requirements of ANSI/BIFMA X6.1 Educational Seating sections 8 and 10 Product Dimensions: Stool measures 12.6" W x 16.5" D, seat height ranges from 14" to 15.1" H; maximum weight capacity of 150 lbs; Patented Design; Adult Active Engaged & Direct Supervision Required