This specially formulated thermo-plastic rubber egg is the modern solution for strengthening wrists, hands, forearms and fingers as well as increasing hand coordination. Simply squeeze the egg in any plane to target the required muscle. Ideal for players of all racquet sports and for rehabilitation and also a great anti-stress toy! Product Details: Strength - Light - Pink / Medium - Purple / Green - Strong Material - TPR - Thermoplastic elastomers (Latex Free) Please Note: Colours may vary from those shown Product Name: Fitness Mad Strong Grip Hand Exerciser Fitness Mad Code: FGRIPF " Option: Light, Medium, Strong