Wide application: Foam sports balls are suitable for sports theme party, you will have fun to throw and share with your friends as a nice giving gift. Feature: These star foam balls are good to play with, portable and elastic, and you can throw these stress stars it will help relieve your stress and anxiety, can also be applied for hand exercises. Yellow star design: Adorable and cute shapes easily attract teenagers interests, can attach to backpacks every day. It' s fun to hand out these star shaped stress balls to your shining star students to motivate them and show them you appreciate their hard work. Specification: Color: yellow Material: foam Diameter: about 1.57 inches Quantity: 30 pieces Package include: 30 x Yellow star stress ball