Wekin Core Balance Stability Disc, Air Stability Wobble Cushion Board,Kids Wiggle Seat,14&rdquo;(35cm) Extra Thick with Pump for Improving Posture,Ankle Strength Training,Fitness, Yoga, Therapy and Workout New Improved Pump! Massage surface improves stability, Wekin balance disc helps you improve your balance, coordination, posture, flexibility, and core strength; our fit discs are ideal for seated exercises, squats, ankle drills. Great for all fitness levels Dual-textured surface ensures a non-slip grip, one side features small bumps great for improved grip and another side soft spikes for foot massage Made of professional grade anti-burst,300g heavier than other same size, comes with a free pump to easily inflate and deflate to your preferred level of firmness. The needle is in the top cover of the pump ECO material: Eco-friendly, slip-resistant would be a safe use for women, men, children and elderly, pets The real color of this item may be slightly different from the pictures shown on website,maybe they look a slightly different due to different light brightness or pixels of your computer screen