DescriptionThe balance disc is an important strengthening tool that can be used by adults and children. The simple act of sitting on the disc activates the core muscles of the abdomen and torso. The flexor and extensor muscles work together to maintain balance on the disc while continuously strengthening and toning them. Through these small, continuous movements you make, deep core muscles are constantly stimulated and strengthened.Features- Color: Purple.- Material: PVC.- Size: Approx. 34 x 34 x 3 cm.- The balance disc promotes core stability, strengthens muscle tone, improves balance and posture.- Used as a wiggle seat cushion to provide sensory input and to help calm children who have difficulty sitting still.- Ergonomic seating, relieves back pain and shoulder pain.- The balance cushion provides an unstable surface to exercise on, requiring you to use more muscles to maintain balance.- A hand pump is included for adjustment. The stability disc size is 13 inches / 33 cm in diameter. Package: 1 x Inflatable Stability Cushion Extra Thick Core Balance Disc Wiggle Seat Cushion to Improve Core Strength and Relieve Back Pain