The balance disc is a versatile strengthening tool suitable for both adults and children. Sitting on the disc engages core abdominal and trunk muscles, with extensor muscles working together to continuously strengthen and tone through subtle movements. These small, dynamic motions provide constant stimulation to deep core muscles, enhancing overall stability and strength. Features: - Color: Grey - Material: PVC - Size: Approx. 34 x 34 x 2.5 cm - Promotes core stability, strengthens muscles, and improves balance and posture - Can be used to provide sensory input and assist children who have difficulty sitting still - Ergonomic design helps relieve back pain and shoulder discomfort - The unstable surface of the balance cushion requires increased muscle engagement to maintain balance - Includes a hand pump for easy inflation and adjustment - Stability disc diameter: 34 cm Note: Due to lighting effects, monitor brightness, and manual measurement, slight variations in color and size may occur between the photo and the actual item. Package list: 1 x Inflated Stability Wobble Cushion 1 x Air Inflator