The Gymnic exercise Fit-Ball is the ideal way to make your strength and conditioning workouts more challenging in a way which is fun and engaging. The exercise ball is made from a durable, lightweight Ledraplastic, making it perfect to take with you on the go. Yoga beginners and those a little more experienced can get great benefit from using the exercise fit-ball by either increasing the difficulty of a pose or using it to learn new exercises. Interestingly, the fit-ball can be used to relieve pain in pregnancy and is a useful rehabilitation tool for lower and upper back problems The number of exercises which can be performed using the Gymnic fit-ball are endless and its perfect to use with other fitness equipment such as dumbbells, resistance loops and bands. The exercise fit-ball is perfect for yoga beginners right up to regular gym users, why not take your training to the next level today. If you need a Faster Blaster hand pump to inflate your Fit-Ball, click here. Which size Fit-Ball do I need? 55cm (22\") max diameter Fit-Ball for people 155-167.5cm (5\' 2\" - 5\' 6\") tall. 65cm (26\") max diameter Fit-Ball for people 167.5-175cm (5\' 6\" - 5\' 9\") tall. 75cm (30\") max diameter Fit-Ball for people 175-192cm (5\' 9\" - 6\' 4\") tall. Burst Resistant Quality (BRQ) with a maximum load of 120 kg (270 lbs). Class I Medical Device compliant with European regulation.