These E-A-R UltraFit medium corded reusable earplugs are made of ABS/Elastomeric polymer and come in yellow. They have a blue vinyl cord with a polyvinyl chloride band and meet the CSA Class AL standard. The electrically insulated moisture-resistant push-in three-flanged earplugs have a noise reduction rating of 25 decibels. There are 200 pairs, each in a plastic bag.