Flexible Seating: Ergonomic stool that evolves from 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, 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 16.3" D x 21.1" W, seat height ranges from 18" to 19.6" H; maximum weight capacity of 220 lbs; Patented Design