These E-A-R UltraFit medium corded reusable earplugs with pistol grips are made of Elastomeric polymer that comes in yellow. They have a blue vinyl cord and meet the CSA Class AL standard. The electrically insulated moisture-resistant push-in three-flanged earplugs have a noise reduction rating of 27 decibels. There are 100 pairs, each in a plastic bag.