Feature: Made of TPR silicone , this finger grip strengthening ball provides good cushioning, and can withstand squeezing and more. Featuring the dotted body, this finger grip ball features moderate hardness, and non-wearing. The compact body is easy and easy to carry. It can be used at any time, with low strength and good elasticity. It is convenient to t for users to grasp and train finger strength. The ball will not fall off and the training effect is good. uitable for people of different ages. There is a variety of intensity levels to suit different stages of exercise. Perfect for those who use phones for a long time and officers who want to relieve hands fatigue. Suitable for arm strength training and daily exercise of the middle-aged and elderly . Specifications: Name: Hand Strength Exerciser Ball : TPR silicone Size: about 11.5cm 4.53inch Packing List 1 Hand Strength Exerciser Ball Notes: Due to the lighting effects and angles, the color of the item and that shown in the picture might have a nuance. Due to manual measurement, there ight be a tolerance in the product size.HExclusive Design: Finger grip for easy and nonslip grip. The ball will not fall off and the training effect is good. It is designed to build strength and endurance in hands, finger, wrists. HConvenient to Carry: The compact body is easy and easy to carry. It can be used at any time, with low strength and good elasticity. It is convenient to t for users to grasp and train finger strength. The ball will not fall off and the training effect is good. HErgonomic designThe sphere conforms to the grip shape of the human palm. Promotes hand health and Rehabilitation. Finger Strengthener Ball to progressively rehab a hand post-injury or post-,fingers become stronger,it can help elder add repetitions to reap additional benefits. HAnti-drop designPeople with inflexible fingers need not worry about the grip ball falling fro their hands duuse. Two-finger -shaped can effectively prevent the ball from sliding off. HWidely Used: Suitable for people of different ages. There is a variety of intensity levels to suit different stages of exercise. Perfect for those who use phones for a long time and officers who want to relieve hands fatigue. Suitable for arm strength training and daily exercise of the middle-aged and elderly .