3M 1271 Boxed Earplug A handy storage case and belt clip help keep earplugs comfortable, clean and safe between uses. The polyester cord (3M™ 1271) helps prevent loss and ensures the product can be found whenever needed, making it suitable for intermittent use. The finger grip design makes it easy to place and one size fits most users. Features of 3M 1271 Boxed Earplug? Mitigation Level (SNR) 25dB Protection Range 87dB(A) - 98dB(A) Features Lanyard available One size fits all users Reusable No Rotation Required Storage Box available Working Environment Dirty/dusty environment Intermittent / Brief sound exposure General Industrial Use Continuous / Prolonged sound exposure High Temperature area Presence of contaminants / Working with contaminants Approval CE Approved