Features: 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 and improving your relations. Specifications: Main material: PU foam Color: as shown in the picture Size: Round foam balls: measure about 4 cm/ 1.57 inches in diameter Star shaped foam balls: measure about 5.5 cm/ 2.17 inches in diameter Package includes: 80 x Round motivational stress balls 60 x Star motivational stress balls Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Small parts included, please keep away from children.