Versatile Wiggle Stool gives you the freedom to move while you sit. Soft, extra-thick cushion provides comfort and support for all-day use. Integrated handles allow easy carrying, even for smaller children. Seat height adjusts between 12" and 18". Selectable heights include 12", 14", 16" or 18". Tamperproof height adjustment prevents distractions. Base is angled for improved posture, balance and stability. Rubberized, nonslip base provides increased stability even when tipped over. No-spin base aids focus and promotes a distraction-free environment.