Muscle Man Stress Ball has all the power you need to get you through rough days. Special gym promotions can be advertised on the chest and back! Product is made with superior PU material is wonderful for relieving tension and pent up frustration. No two stress shapes are the exact same in shape, colour or density. Some chips or scuff marks are unavoidable due to variations between shipments and mass productions. Stress Shapes are not intended for use by children or animals.