Ideal for pelvic floor exercises, the ball will enhance your Pilates workout and help develop strength, endurance and concentration as well as to promote relaxation and coordination. The balls are anti-slip offering excellent grip. Ball size is down to preference though it is common to have both sizes for greater diversity. Features: Material: DINP PVC (Latex Free) Colour: Blue only Safety: Factory tested as burst resistant at 100 Kg SPECIFICATION: Brand Fitness Mad Usage Home Use, Commercial Use Condition Brand New Warranty 12 Month Warranty