Disposable Earplugs 3M 1100 Box of 200 Bison Direct (10 ) 3M 1100 Foam Ear Plugs upto 29db Lazada.co.th 3M 1100 Foam Earplugs Uncorded 200 Pairs Hearing Protection 3M 1100 Foam Disposable Earplug 200 PAIRS BOX. Expertly designed for loud environments, the 3M 1100 Foam Ear Plugs provide unbeatable hearing protection with a secure fit. Made from hypoallergenic polyurethane foam, these earplugs have a tapered design to fit most ear canal sizes. With a dirt resistant surface for optimal hygiene, they offer a quick and comfortable fitting for up to 29 dB noise reduction. Keep your ears clean and safe with this pack of 200 pairs.