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: Blue -  Dimensions:  7” (18cm) diameter / Weight:  116g Red -  Dimensions:  9” (23cm) diameter / Weight:  125g Graphite -  Dimensions:  12” (30cm) diameter / Weight:  170g Material:  DINP PVC (latex free) Safety Tested:  Factory tested, burst resistant at 100kg Care Instructions:  Wipe with a clean damp cloth. Do not use harsh cleaning detergents on this product. Brand Fitness Mad Usage Home Use, Commercial Use Condition Brand New Warranty 12 Month Warranty