3M 318 4001 Ear Plugs, Cone, 31 dB NRR, Gen Purpose, Corded, Reusable, Push In, M Earplug Size, 200 PK 70696836 68 Metal Chip Resisting Sole 68 Metal Chip Resisting Sole No Outsole Material Rubber Upper Material Leather Style Number 17311 For Outdoor Traction No Footwear Shank Type Fiberglass Conductive No Upper Material Description Full Grain Leather Insulation Type None Static Dissipative No Predominant Footwear Color Black Satra Slip Test Results Dairy Tile Oily Not Tested Max Duty Rating Heavy Duty Thickness 6 mil Width 20 ft Length 100 ft Color Black Material Polyethylene Coverage Area 2 Noise Reduction Rating 31 dB Earplug Color Yellow Reusability Reusable Cord Options Corded Earplug Shape Cone Earplug Material Foam Pairs Per Package 200 Series E A R Push Ins SofTouch Insertion Method Push In Cord Color Blue Band Material Hearing Protection Vinyl Metal Detectable No Cord Material Hearing Protection Vinyl Standards 31 dB CSA Class AL Band Color Hearing Protection Blue Noise Reduction Rating NRR 31 dB Earplug Pair Pack Type Plastic Bag Earplug Packaging Bulk Box Band Material Vinyl Cord Material Vinyl Country of Origin United States Earplug Size M