Appearance is simple, feel soft.
Can exercise the head muscles and flexibility of the fingers. also a perfect tool for anyone in the family to use and great for progressive training.
Can be repeatedly compressed without losing its shape.
Durable & high-elastic material, feel flexible, good elasticity,suitable for all ages.
Three color-coded balls of varying resistance(Include :red blue yellow).

Technical Details

Product Details

Package Dimensions
Width : 3.6 inch
Height : 1.7 inch
Length : 5.3 inch

Shipping Weight: 4.8 ounce (View shipping rates and policies)

ASIN : B01FAHOSB4