Features: It is suitable for most people of almost all ages to exercise, including those who need rehabilitation therapy. It have a good fitness effect, paired with a few simple rhythmic poses to create a perfect postures. It is especially suitable for women who have fat stomachs, thick hands and legs. It can help you improve your imperfectly appearance with simple exercises. Children can use peanut balls to perform various leg and limb coordination exercises such as tilting, lying down, sitting, flipping, crawling, and pushing. Long term use can effectively make your postures more perfectly curved. Specifications: Component: PVC Color: Blue/01/Rose Red/Silver/02 Type: Without Air Pumps/With Air Pumps Size: about 90x45cm/35.43x17.72inch Package Includes: 1pc Peanut Ball note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.