Manufacturer: Hygenic Corporation Thera-Band Hand Exercisers, X-Large, Green, are specially designed resistance tools that help strengthen hand and forearm muscles through targeted exercises. With a medium level of resistance, these hand exercisers are perfect for individuals at various fitness levels, whether for rehabilitation, injury prevention, or enhancing overall hand function. Features: -The green color indicates a medium resistance, making these hand exercisers ideal for users who have some experience with hand strengthening exercises. They are particularly suitable for those recovering from injuries or looking to maintain or improve their grip strength. -Made from durable, non-toxic rubber, these hand exercisers are designed to endure regular use without losing their shape or elasticity. Ensuring long-lasting performance and effective resistance training. The soft and textured surface provides a comfortable grip, allowing for extended use without discomfort.