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