This Calmilu Metal Stress Ball is a great desk top item that will help you and your customers. This egg shaped stress ball is weighted to wobble back and forth when he is on a flat surface. Imprint your special message, company name or logo on the back of these Calmilu Metal Stress Ball so all can see in the comfort of your office also your office also their magnetic head is fantastic for holding paper clips and other metal objects such as keys.