DescriptionThe item is a set of 3pcs simple and practical hand grip trainers in 3 different levels and colors, which require different strength and suitable for various people. Circle structure enables it to be wholy covered by hands, improving malleability and flexibility of fingers and muscle. As for people with weak hands, the trainer is perfect for improving adjustment and making muscles dynamic. As for those office workers, it is perfect for relaxation of body and mind.Features- Color: As shown - Size: 7x7x1.8cm - Material: Silicone - 3 pieces of the hand grip trainers requiring different strength in different colors in one set will be sold together. - Color: green (30 pounds), blue (40 pounds) and orange (50 pounds). - Material: Silicone. -3pcs Hand Grip Finger Forearm Strength Trainers 3 Levels. - Strength required is different among the 3 trainers, to make them suitable for various people. - An extremely effective finger-hand-forearm strength and endurance trainer. - Train your hand strength anytime and anywhere. - Helpful to other sports activities like golf, basketball, climbing, etc.