Quality design: Made of high-quality silicone, the Grip Strengtheners are Skin-Friendly and Comfortable also have Good Toughness, Fast Power Feedback, Effectively Enhance Finger Grip, Achieve the best performance, Circular Design, fit the palm shape, Uniform force, Twist without deformation, Washable, Long service life, Safe and durable, Not easy to tear, and can be used repeatedly. Easy to use: The finger extensor trainer is small in size and modern in appearance. You can use it on walking, traveling (car, airplane, bus), office, school, watching TV or wherever you want to exercise. Increase the force that your hands can exert while reducing fatigue. Help balance your grip muscles and expand muscles. Fitness and sports enthusiasts: Our finger resistance bands can improve the finger strength of athletes (Ball Player, Rock Climbers, Boxing, Golf and Body Builder) and musicians (Guitarists, Bassists, Pianists and Violinists) . Strengthen your wrist and improve the dexterity of your fingers. Effective prevention: Suitable for hand problems such as rheumatoid, joint pain, carpal tunnel, tendon, tennis elbow, etc. It is easy to carry, When you are typing, Texting or performing any other activities that use your grasping muscles. Suitable for all hand types: Suitable for all age groups and all hand types, compact, portable and easy to put in a bag or pocket. You can repeat the exercise while driving, in the office or anywhere! Three levels of pressure meet more needs-level 1 green, Level 2 blue, and 3 orange.Choose the right one according to your training level.