Onion Anti-Stress Balls make wonderful promotional gift giveaways. It can be custom imprinted with your business logo to promote your business and use as business promotional gifts! 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.