Features: Elastic: The finger exerciser is made of quality silicone, soft and comfortable, strong and sturdier, with elasticities and flexibility, not easy to break or fade. Humanized-designs: Tight and light weights, easy to grip and control, its very suitable for exercising hand muscles, finger and also wrist strength. 3 Levels: The silicone grip strength trainers you with 3 levels options, ranging from 6.6lbs, 8.8lbs and 11lbs, you can the right levels for your own grip strength. Widely Use: The hand strengthener relieve wristband are suitable for people of different ages, helping people exercise hand muscles, and enhance finger flexibility. Package: You will receive 1pc hand grip strengthener, available in 3 different color, including blue, gray and black.. Different color, different grip strength. Specifications: Material: Silicone Color: Black/Blue/Gray Package Weight: about.25g Size: As The Picture Shows (Different Color, Different Grip Strength) Package Includes: 1Pc x Finger Stretcher note: Please allow 1-2cm error due to manual measurement. Please make-sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!