3M™ E-A-R™ Classic™ Platinum™ Uncorded Earplugs, Pillow Pack 310-4002 The 3M™ E-A-R™ Classic™ Platinum Earplugs combine economy with reliable hearing protection in a slightly smaller diameter that fits comfortably in smaller ear canals. These earplugs are stiff enough when compressed to make fitting easy, yet soft enough to be comfortable in the ear for extended wear. Slow recovery, low pressure foam fits snugly to create a noise barrier that helps protect hearing from high level sounds Bright yellow color allows supervisors to conduct a quick visual hearing protection compliance check Moisture Resistant EARfit Testable