Coming soon: the BLUE™ disposable earplug with 32 NRR. Elvex® is committed to innovative hearing  solutions. Features include: smooth, contoured bell shape; oil-resistant closed cell foam prevents dirt buildup; easy insertion and removal; meets ANSI S3.19-174 & CE EN-352: 2002; and available corded and uncorded. Elvex,www.elvex.com, (800) 888-6582.Disposable earplug