Plastic Adjustable seat height of 12 to 24 Inches in 2-inch increments Promotes continuous, low-impact movement to support posture, core strength, and mental focus. Soft, extra-thick cushion provides ergonomic support for extended sitting sessions and comfort for all-day use. Tamper-proof mechanism allows smooth adjustment for users of any height—perfect for adults and teens alike. Integrated handles make it easy to carry between rooms or workstations. Non-skid base offers stable and secure movement while protecting floors from scuffs or damage. Proudly manufactured in North America with durable, high-quality materials.