Extremely Comfortable Touch: Stress relief balls provide a pleasant tactile experience. Squeezing them makes you feel relaxed like you have never experienced before, since they are soft and comfortable. This hand ball is silent so it won't disturb others when squeezed. Relieve anxiety and strengthen your grip: this ball helps you focus, relieve stress, and train your hands and wrists. Adults or kids, men or women can use it. Made of Polymer gel, easy to clean (use soapy water to wash after that use any talcum powder), and can be repeatedly compressed without losing its shape This ball is a thoughtful gift in today's society. People of all ages will enjoy these hand-strengthening grips. The purpose of this is to relieve pressure, especially for those who have stressful jobs and schedules. Environment friendly: made with a polymer gel, they are hypoallergenic, non-toxic, BPA-free, phthalates-free, and latex-free.