6600 Series Elephant Z-Stool provides stylish design and ergonomic comfort perfect for hands-on settings like art studios or science labs. Chrome-plated, 14-gauge tubular steel frame secures stool's blow-molded, polypropylene seat. Seat contours to your body for extra comfort. Sturdy, U-shaped legs distribute weight to minimize pressure on floors. Securely-bonded glides move softly and smoothly over any surface. Conveniently stack stools up to three units high for simple clean-up and storage. Seat supports up to 500 lb.