Gymnic Plus Fit-Ball for strength and conditioning & core exercises - 75cm The Gymnic Plus Ball represents the technical evolution of the Gymnic Classic. Besides the usual features of elasticity and performance, this version provides a higher safety in case of puncture thanks to the Burst Resistant Quality material. For this reason it is a perfect tool for all applications in fitness, physical therapy or active seating. It has the same features as the Gymnic Fit-ball, from which it differs only in the colour. Some people refer to this Fit-Ball as a Swiss Ball. If you need a Faster Blaster hand pump to inflate your Fit-Ball, click here. Which size Fit-Ball do I need? If you want the Fit Ball in other sizes, please see the charts below. 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. In case of puncture the ball deflates slowly. The BRQ system works with max. 120 kg – 270 lbs. The BRQ quality balls are marked with the Burst Resistant Quality logo. Their specific formula prevents the ball from bursting in case of puncture. The BRQ balls have the same resiliency features as the standard quality balls. Warning! For body weight exercise only. Lifting weights while using the product may cause injuries to the user.