3M E-A-R soft FX earplugs feature a patented shape to more effectively fit the ear canal. The result Tests in an accredited NVLAP laboratory showed 3M E-A-R soft FX earplugs provide the highest Noise Reduction Rating of any earplug in the industry-NRR 33 dB. You can't get any higher protection. 3M E-A-R soft FX earplugs are made of a custom polyurethane foam formulation for slow recovery and increased softness in the ear canal. In a plug-to-plug comparison, a panel of wearers voted E.A.R soft FX earplugs the softest and best fitting earplug. If given the choice, they'd choose to wear 3M E-A-R soft FX earplugs. Safety Product Type:Uncorded Earplug NRR:33 Material:Foam, Polyurethane Plug Color:Yellow Size Description:One Size Fits Most Usage: Single Use Design:Bell Shaped. Package:200/PR Per Single Box *This is a non-returnable product due to sterilization and hygienic purposes
- This product listing is for 4 sets of ear plugs.
- The Sleep Master sleep mask that Tim Ferris also talks about can be purchased here.