Top 10 Stress Balls You Can Try Right Now
Types Of Stress Balls You will come across different varieties of stress balls. Some of them are made from the closed-cell polyurethane foam rubber. A liquid component of the foam is injected into a mold to prepare this type of stress ball. The chemical reaction gives out carbon dioxide with bubbles as the by-product, thereby creating a foam rubber stress ball. Stress balls are also used in physical therapy. Such balls contain gel of varying densities embedded within the cloth or rubber skin....