Features: Easy to Clean: The finger stretcher expander hand grip trainer kit can being cleaned after washing with water. Durable and Practical: The silicone material are very stable, and the silicone finger exerciser is durable and practical. Comfortable: Due to the softness of the silicone, hand grip feeling comfortable to touching, extremely flexible, no deformation. Optional Color: There are many color and different resistance levels of finger exercisers for you to choose from.. Perfectly Sized for a Comfortable Fit for: Perfectly sized for grip strength training for both men and womens. Specifications: Material: Silicone Color: Black/Gray Package Weight: about.75g Size: As The Picture Shows Finger Stretcher: Black 11lbs; Gray 6.6lbs Hand Gripping Ring: Black 50lbs; Gray 30lbs 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! Package includes: 1Pc x Finger Stretcher 1Pc x Hand Gripping Ring