כדור אחיזה קבוע בחמש אצבעות

Product name: Five-finger fixed grip ball (primary)
Product material: elastic PU
Product size: about 7cm in diameter, for adult use
Product color: blue
Product application: Rehabilitation training for hand function problems, finger grip strength, exercise for small hand muscles
Product features: small strength, soft hand feel, convenient for users to grasp and finger strength training, the ball will not fall off