bhdfrin_ Finger Ball No Odor Convenient Finger Train Ball Finger Heavy Exerciser Strength Trainer for Beginner Quick Rebound

Definitely that you can effectively to improve the power of hands with this ball, which can stimulate your hands parts to release pressure of life, and it will also help you to correct your posture when playing piano.

Comes with high elasticity which will be comfortable for you to holding, and be quick to rebound for reuse, and the 4 different sizes will meet different needs of hands, which is lightweight.

By making with plastic material, it will be comfortable to use.

This ball has 4 different sizes for you to choose.

It is suitable for beginner and learner to correct posture and release finger pressure.

Item Name: Finger Exercise Ball

Material: Plastic

Features: High Elasticity, Soft, Comfortable

Size Details:

Diameter: 5.5cm/2.17" (Approx.)

Diameter: 6.5cm/2.56" (Approx.)

Diameter: 7.5cm/2.95" (Approx.)

Diameter: 9.5cm/3.74" (Approx.)

Notes:

Due to the light and screen setting difference, the item's color may be slightly different from the pictures.

Please allow slight dimension difference due to different manual measurement.

Package Includes: