The yoga gymnastic/pregnancy birthing ball is perfect for Pilates, Yoga and Child Development, this exercise ball helps develop lower back and ab muscles for a stronger core. If you are pregnant, or have recently given birth, then an exercise ball can be a great way to stay fit and healthy. It can help to improve your balance and coordination, and increase your flexibility. It is also a great way to strengthen your core muscles, which can help to relieve back pain. Built with strong Anti-Slip PVC material, you will be able to work out and tone the upper and lower body in one workout. Tone and sculpt your shoulders, arms, hips, thighs and other muscle groups with this swiss ball. -Horizontal ribs contoured all around it making it easy to hold without slipping while tossing, bouncing or squeezing. HIGH WEIGHT TOLERANCE AND ANTI-BURST: One of the highest density fitness balls in the market. Made from anti-burst highly durable material with a high weight tolerance capacity. Can resist up to 123 kgs. Gain better balance and flexibility without joint strain. You can use the ball anywhere, whether you are in the office, home, garden or park. Easily deflates for storage and transportation. 【Sitting Posture Correction Chair Ball} This inflatable balance ball can be effectively served as a multifunctional Office Ball Chair. It can relieve back pain caused by long-term sitting, correct your sitting posture. The sport ball does not stick to dust and is very easy to clean. A great exercise alternative for any age and fitness level. Washable and easy to care for. Specifications: Material: PVC Diameter: 55cm. Weight Capacity: 270 lbs (123 kg) What’s in the box 1 x Gym Ball 1 x Pump Color; PINK.