Specification: Color:Blue,Purple,Light Red Material:PVC Diameter:25cm/9.84" Theme:Sports Sport Type:Pilates,Yoga,Gymnastics Type:Balance Suitable for:Child,Pregnant woman Note: 1.please allow 1-3 cm/ 0.39-1.18 inch difference due to manual measurement and 3-5 g/ 0.007-0.01lb/ 0.11-0.18oz for the difference between different colors 2.due to the screen difference, the color may be a little difference from what you expect, please allow it Packaged include: 1 x yoga ball Built with high-quality PVC material, the anti-burst yoga ball can handle the most rigorous workouts up to 600 lbs of weight without you needing to ever worry about the mechanism bursting or the balance ball losing its shape The surface of this piece of gym equipment for your home is coated in a non-slip glaze that will ensure you have a proper and safe grip when using it to get fit, relieve back pain, or to soothe aches during pregnancy as a birthing ball Excellent stability ball for pilates and physical therapy. It is a wonderful aid for expectant mothers when used as a birth ball. Beyond those functions, it can help improve posture and core strength as an exercise ball chair Exercise balls are perfect to increase abdominal strength and flexibility. Not only for crossfit, but also good for active sitting as a yoga ball chair in a home office or seating in a classroom. Besides being used as a workout ball, can also be used as a birthing or pregnancy ball Do not use fitness ball on a slippery surface, such as wooden floors or tiles, especially if using as an exercise ball chair or office chair