Toy Cubby Yellow Smiley Face Stress Ball - 12 Pcs. 1.5 inches 12 pieces Yellow Smiley Face Stress Ball. Made from a durable squishy foam that could endure countless of squeezing. smiley face printed at the center of the ball for additional fun and relief from stress and frustration, printed smiley face won't rub off and made for longer lasting satisfaction. Perfect at school or from stressful day at work. Great Decoration and party favors for party. Measures 1.5 inches, make a stress-relief package for your kids, co-workers, neighbors or anyone you can think of.