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