There Are Quotes Printed on Each Ball, Encouraging You to Calm Down. Reliable Material: Made of Foam, This Stress Ball Pack is Firm to Accompany You a Long Time, & It Would Not Easily Fade or Break; with Elastic Fabric, It is Comfortable for You to Touch & Hold, Providing You with a Good Hand Feeling Multiple Colors: This Inspirational Stress Relief Ball is Designed with 4 Different Colors, Namely Red, Green, Blue, & Yellow, Enough for You to Choose According to Your Personal Preference & Different Moods; You Can Also Apply Different Colors to Match Various Occasions & Enjoy Fun Wide Applications: This Anxiety Small Ball is a Good Choice for Stress Relief & Relaxation, & It Can Also be Applied as a Reminder, Motivating & Inspiring You to Control Your Emotions.