Core Balance, burst-resistant exercise ball - for fitness yoga pregnancy - 55cm 65cm 75cm 85cm - includes air pump

["DIFFERENT SIZES FOR A PERFECT WORKOUT: Core Balance fitness balls are available in various sizes to match your body size and allow you to comfortably exercise. Check out our size chart (image 5) to determine if your exercise ball should be 65 cm, 55 cm, 75 cm, or 85 cm. As an added bonus, each exercise ball includes a pump and a measuring tape to easily inflate it to the correct size.","BUILD CORE STRENGTH & BALANCE: An exercise ball creates instability when you sit, lie, or lean on it, requiring you to engage your core muscles to maintain stability. Training with the exercise ball not only strengthens your core and improves your balance, but also is an excellent way to tone your muscles, improve your posture, and increase your flexibility.","NO RISK OF BURSTING OR SLIPPING: Core Balance stability balls are made of durable anti-burst PVC, eliminating the risk of bursting when pierced. Instead, they slowly deflate to ensure your safety. Additionally, the stability balls are equipped with anti-slip lines to provide optimal grip on smooth surfaces and prevent slipping.","TAKE YOUR WORKOUT TO THE NEXT LEVEL: Stability balls are a versatile training tool that can easily be incorporated into a variety of exercises including crunches, bridges, weight training, yoga, Pilates, and more. The instability of the exercise and yoga balls not only engages the usual muscles but also targets the stabilizing muscles of the core.","USE AS A CHAIR: If you sit at a desk all day, you can use an exercise ball as an office chair to strengthen your core muscles. Additionally, you can use an exercise ball as a pregnancy ball for prenatal exercises, for discomfort during pregnancy, and during labor. Physiotherapists use exercise balls to help individuals rebuild their core muscles after injuries."]