3M 311 1251 Ear Plugs, Bullet, 33 dB NRR, Gen Purpose, Corded, Disposable, Roll Down, L Earplug Size, 200 PK G6432275 Range (C) 20 Degrees to Range (C) 20 Degrees to 50 Degrees Includes (2) AA Lithium Iron Disulfide Batteries Abrasive Grit 30 Abrasive Material Aluminum Oxide Abrasive Wheel Type Type 1 Series Gemini Free Cut Thickness 0 Earplug Color Yellow Noise Reduction Rating 33 dB Earplug Color Yellow Reusability Disposable Cord Options Corded Earplug Shape Bullet Earplug Material Foam Pairs Per Package 200 Series E A Rsoft Yellow Neons Metal Detectable No Cord Material Hearing Protection Vinyl Cord Color Blue Band Material Hearing Protection Vinyl Standards 33 dB CSA Class AL Noise Reduction Rating NRR 33 dB Insertion Method Roll Down Band Color Hearing Protection Blue Earplug Pair Pack Type Plastic Bag Earplug Packaging Bulk Box Cord Material Vinyl Band Material Vinyl Electrically Insulated Yes Country of Origin United States