DescriptionThis finger trainer is easy to operate, and won't hurt your fingers. It can be recycled many times, and the material is safe, so you can use it with confidence. It is also a good choice to share with your friends who like to play the piano.Features- Color: White - Material: TPE - Size: About 9.00X7.00X0.50cm/3.54X2.75X0.20in -Owning the strong wear and break resistance ability, verydurable. - This finger trainer is used to train the strength and endurance of your fingers.- It is also used to train the flexibility and coordination of the fingers.- Ergonomic design, so that you will not hurt your hands when you use it.- Exercise your finger strength and coordination to help you perform better when playing the piano.