Ear Tracers Pillow Pack Tr01000 Pack of 50Ear Tracers Pillow Pack Tr01000 Pack of 50 The 3M E A R UltraFit & 3M E A R Tracers Earplugs are reusable and designed for insertion into the ear canal to help reduce exposure to hazardous levels of noise. Get comfortable, durable and reusable hearing protection with the family of 3M E A R UltraFit Earplugs, which includes 3M E A R Tracers Earplugs in non food colour blue. A proven triple flange design made of a pliable premoulded elastomeric polymer