Introductions:Do you want to use the scientific way to keep your body healthy? This Balance Hemisphere Yoga ball is suitable for you. It is a tool which is used to cooperate in sports fitness ball games. It is made of soft PVC and ABS materials, when the body contact with it, the internal inflatable fitness club evenly touches parts of the body to produce the massage effect, and will promote the blood circulation. It not only can help us effectively strengthen physical health, but also the effect of weight loss. Try it and make you more beautiful!Features:1. It is made of soft PVC and ABS materials, durable and non-toxic2. Suitable for all people to exercise3. Yoga ball movement has a b interest4. Help to training the balance ability of body5. Has the massage effect 6. Correct your posture7. High quality with low price Specifications:1. Material: PVC & ABS2. Color: Purple3. Dimensions: (11.02 x 22.83)" / (28 x 58)cm (H x Dia.)4. Pull Rope Length: 85cm5. Load-bearing: 200kg / 440.92lbs6. Weight: 5.6kg / 12.35lbs Package Includes:1 x Balance Hemisphere2 x Pulling Ropes1 x Inflatable Barrel