It would be a wonderful hand exerciser for people who often do typing, driving, writing, climbing job for a long time, also workable and benefited for stroke rehab patients with exercise and training, you will make gradual progress of finger for guitar, piano, violin, and rock climbing. Nice training ball for a hand injury.
100% brand new and innovative design. Egg-shaped design with textured surface looks so cute, more ergonomic, and perfectly fits all hand sizes. It’s made of 100% thermoplastic rubber (TPR), hypoallergenic, non-toxic, reusable, recyclable, and phthalate and latex-free. Our stress relief balls are lightweight, durable, and safe for kids and adults alike. Wash with warm soapy water to clean.