140 Pcs Motivational Stress Balls Quotes Relief Star Shape Anger Management Colorful Hand Excerise Foam Balls for Anxiety TensioFeatures: Size Information: The round colorful foam balls measure about 4 cm 1. 57 inches in diameter, and the star shaped foam balls measure about 5. 5 cm 2. 17 inches in diameter. The compact size and light weight are easy for you to store or carry out with. Gift supplies: You can prepare round colorful foam balls for your backup or send to your your relatives, colleagues, classmates and neighbors as delicate gifts, bringing much convenience to them