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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A stress ball is a malleable toy, usually not more than 7 cm in diameter filled with a soft material used for stress and muscle tension in your hand. There are many types of stress balls. Many are a closed-cell polyurethane foam rubber. This type of stress ball is made by injecting the liquid components of the foam into a mold. The resulting chemical reaction creates carbon dioxide bubbles as a byproduct, which in turn creates the foam Stress balls, especially those…mehr

Produktbeschreibung
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A stress ball is a malleable toy, usually not more than 7 cm in diameter filled with a soft material used for stress and muscle tension in your hand. There are many types of stress balls. Many are a closed-cell polyurethane foam rubber. This type of stress ball is made by injecting the liquid components of the foam into a mold. The resulting chemical reaction creates carbon dioxide bubbles as a byproduct, which in turn creates the foam Stress balls, especially those used in physical therapy, can also contain gel of different densities inside a rubber or cloth skin.