The Gaiam Restore Hand Therapy Kit includes a set of exercise balls designed for arthritis, stress relief, and overall hand strength. Made of rubber, these balls come in soft, medium, and firm strengths to provide a range of challenges for different levels of fitness. The kit is ideal for gym and training activities, offering a convenient and effective way to work on hand therapy exercises in the comfort of your own home. Made in China by the trusted brand Gaiam, this hand therapy kit is a must-have for individuals looking to improve their hand strength and reduce stress.