With an attractive colourful finish and anti-burst technology, the Gym Gear Gym Ball collection is a must accessory for any training facility. Available in three different sizes, our Gym Balls are perfect for home or commercial gym use. Red: 55cm (22") - ideal for users 155cm-167.5cm (5'2"-5'6") tall Black: 65cm (26") - ideal for users 167.5cm-175cm (5'6"-5'9") tall Silver: 75cm (30") - ideal for users 175cm-192cm (5'9"-6'4") tall The Gym Gear Gym Balls are ideal for a variety of exercises that target the core muscles, increasing user stability, strength, balance and range of motion. Note: Diameter of ball is measured when ball is deflated. SPECIFICATION: Brand GymGear Usage Home Use, Commercial Use Condition Brand New Warranty 2 Year Warranty