Make your sports team players feel like they are #1! Get the #1 Blinking Button. This button comes in a pack of 6. It is 2 inches wide. This button has a black background with a large yellow star behind a white #1. This button is battery operated to turn on and blink. The blink is a red light that quickly turns on and off and grabs onlookers attention. Order your buttons in bulk along with the rest of your party day supplies.