Max-Lite® puts virtually no pressure on the ear canal. Plugs are preshaped, tapered and rolled small for easy insertion and expand for a custom fit. The winged ends make removal easy. Smooth, soil resistant skin is non-allergenic and non-irritating. Outstanding performance in a variety of temperatures and humidities. NRR 30. Meets ANSI S3.19-1974 standard.  Pre-shaped foam. Non-irritating, non-allergenic self-adjusting.  Low pressure foam earplugs offer long-term user comfort. Ideal for that portion of the population with smaller ear canals. 200 pair per box. Choose between corded or uncorded.