Body Sport Fitness Balls come in a variety of colors (blue, green, purple, red, and yellow) and have a gently ridged surface to promote secure gripping. Body Sport Fitness Balls are available in 2 makes: standard deflation, and slow air release (deflate more slowly than standard version). Body Sport Fitness Balls for retail come in several sizes: 45 cm (4′ 7″ – 5′ 0″), 55 cm (5′ 1″ – 5′ 6″), 65 cm (5′ 7″ – 6′ 1″), 75 cm (6′ 2″ – 6′ 8″), and 85 cm (over 6′ 8″ – standard deflation only).