Customized Stress Relievers, Tennis Ball Stress Reliever - Squeezable, Serve up some promotional points with your fans and community thanks to these tennis ball shaped stress relievers They feature the look of a real tennis ball and can be tossed, squeezed, bounced and displayed They are not intended for use by children or pets They may present a choking hazard to children under 3 years of age. ... #26325 $1.07/each.