[Complete Balanced Workout] - Using the Finger Stretcher helps prevent injuries and muscle imbalances from the overuse of ""crushing"" type hand and finger grip exercises. The finger stretchers are specifically designed with tight finger holes to prevent the bands from slipping off your fingers during your workout. Allows you to gradually increase the difficulty of your training as your strength improves or to benefit from interval training, alternating between the three grips in a single workout.

[Flexible and Lightweight]: Increase overall finger strength and dexterity. One size fits all - Small enough to put in your bag or pocket - Easy to use for Just a few seconds or minutes.

[Environmental Material] :100% food grade silicone, non-toxic harmless Silicon,Safety and environmental protection.