3M e-a-r soft yellow neon blasts foam earplugs, Ear 312-1252, 200 pairs 3M e-a-r soft yellow neon blastsearplugs seal the earcanal with soft slow-recovery foam for excellent noise reduction and comfort. Exciting flame graphics. poly bag keeps each pair of earplugs clean before use dermatologically safe foam is non-irritating to the skin exciting designs and brilliant colors self-adjusting foam proides low pressure with excellent attenuation regular size fits most earcanals noise reduction rating nrr*: 33 db. Csa class al