Sonomax are high tech earplugs injection molded from hypoallergenic silicone. Cord connecting plugs is made from Texin® 285 resin. Cord safety-release anchors and the Full-Block filter inserts are made from Texin 245. Mass produced ear plugs meet the hearing protection criteria of the National Institute for Occupational Safety. Plugs can be customized to block out the harmful, or just plain irritating, noise of everyday life. Bayer MaterialScience LLC 100 Bayer Rd. Pittsburgh, PA, 15205-9741