NRR 25db Constructed of silicone wrapped around a pocket of air for superb comfort Three flanges of silicone form a cozy seal for all size ear canals Packaged in a convenient dispenser box - 100 corded pair per box Meets ANSI S3.19 Item # Description Price 1-2 Price 3-4 Price 5-9 Price 10+ Quan. wm-RP2001 Pyramex Reusable Ear plugs with Cords (100 per box) $70.00 $69.00 $68.00 $67.00