BEST ALL-ROUND THERAPY & EXTENSOR EXERCISER - 1) Works as a hand therapy ball (light and medium tensions) for increasing strength and range of movement. 2) Exercises the frequently ignored ‘extensor’ muscles to guard against and help relieve the symptoms of carpal tunnel, arthritis and repetitive strain injury. 3) Provides basic grip training for rehabbing hands. RESTORE STRENGTH and dexterity; this device is great for OT following injury, stroke or postoperative after surgery; reverse and protect your hands against arthritis, carpal tunnel, tendonitis and occupational RSI; works for both left and right hands GREAT EXTENSOR EXERCISE FOR ATHLETES and MUSICIANS - completes a performance focused workout for any serious athlete or musician, by exercising the weakest hand muscles - the extensors. Alongside targeted grip training, hand flex training can help overall speed, strength and fluidity of many sports and musical performances - get the edge and make the decision to add this into your practice routine now STRESS RELIEF for adults; sooth and cool your stress by squeezing for as long as you can; focus on the tension building in your muscles until they start to fatigue and then feel the relief as you release and let it all go colour:pink Material:TPE size:Diameter: 105mm Package Contents: 1 * Grip ball Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!