about this project Beautiful Combination: The package of the finger strengthener includes 3 pieces, 3 colors and 3 resistance levels, namely 30lbs, 40lbs and 50lbs, the beautiful combination can meet your daily exercise needs, and you can also share it with your friends exercise. Suitable Size: The size of the exercise ring is about 7 cm/2.75 inches, and the weight is about 50 g/1.77 oz, which fits in your hand without feeling too heavy, and can be easily put into pockets of different sizes, light weight and portable. Fits Most People: This strength trainer is the right size for those who like baseball, tennis, golf, musical instruments, and different resistance levels are also suitable for men, women, teens, adults, etc. Reliable Material: The hand gripper exerciser is mainly made of silicone, which is safe and reliable, smooth to the touch, no smell and sound, it will not hurt your hands easily, you can use it for a long time with confidence. Easy to use: The hand grip exerciser is easy to use, you just need to hold it firmly with your palm and fingers, then release and repeat the process, you can do this exercise anywhere you like. feature: Thoughtful gift: Sophisticated and practical, this silicone gripper makes a thoughtful gift for athletes, musicians, office workers, college students, home gym users, and trainers who will be delighted and surprised to receive it. Easy to carry: The hand muscle exerciser is small enough to fit in your pocket, handbag or gym bag, allowing you to exercise anytime, anywhere, saving time and energy. Specification: Main Material: Silicone Colors: Green, Blue and Orange Size: approx. 7cm/2.75in Package includes: 3 x hand clips notes: Manual measurement, please allow slight errors in size. Colors may vary slightly due to different screen displays.