Get the ultimate in comfort and durability with new ErgoLux backless stools. This soft, high-density visco-elastic memory foam stool responds to your body’s unique shape and temperature, providing stress relief and long-lasting ergonomic support. The easy-to-clean, textured seat is 14 ½” in diameter and made of soft, extra-thick foam covered by polyurethane for superior water, stain, and puncture resistance. Features easy pneumatic height adjustment, 360° swivel, and dual wheel hard floor casters. Supports up to 300 lbs. Height adjusts from 23.5” to 33.5”. 5-star polished aluminum base. Meets ANSI/BIFMA standards. 12 year warranty.