Get the 12 pack of EARSAVER600's! It's not just the medical workers that have to wear face masks all day to protect themselves _ cashiers, delivery drivers, and all other workers rely on them too. And many of them are suffering from the same problem _ ear pain from wearing the masks for prolonged periods of time. These ear guards transfer the tension of the mask straps from the ears to this special strap on the back of a person's head. We are manufacturing these durable and simple to use ear guards to help protect people's ears from the painful straps of the face masks.