The yoga ball is suitable for a great exercise alternative for any age and fitness level. It is used by countless physical therapists and personal trainers to strengthen and tone muscles and bones of the hips, back, legs, hands, arms and shoulders. Features - Color: Red+Pink+Blue+Purple. - Material: PVC. - Packing size: About 27x12x5cm/10.63x4.72x1.97 inch. - Helps to develop your overall body muscle, balance and coordination. - Strengthen and tone muscles and bones of the hips, back, legs, hands, arms and shoulders. - Anti-Burst material makes this ball able to stand up to the most rigorous workouts. - The exercise is relatively safe, with extra thickness, not easy to burst. - Suitable for for home exercising, gym workouts, yoga and . Package list: 4 x fitness ball