To all Genie Stress Ball Stress Relief Grip Strength Ball

• [Training with a moderate hardness] Training with an easy-to-grip ball • [Expected effects] ① Strengthening muscle strength: improving grip strength, developing forearm muscles, and strengthening muscles around the wrist.② Rehabilitation/prevention: Effective for improving the range of motion of fingertips and wrists, alleviating joint stiffness, postpartum/post-injury rehabilitation, and preventing rheumatoid arthritis and tendonitis.③ Stress Relief: The simple action of squeezing and releasing has a relaxing effect, making it ideal for reducing stress during desk work, commuting, and waiting times. • [High quality silicone material] Ideal for training the entire hand from the fingertips.Does not wear out even after repeated use.Also, if it gets dirty, you can wash it with water! • [Size] Height 5.5cm x Width 4.4cm x Width 1cm [Color] Light blue (hard type)

A small hand training item that combines multiple soft silicone balls of different hardness.For muscle strengthening, rehabilitation, and stress relief for a wide range of people, from children to women to the elderly ⭐