Custom Vision & Hearing, Round Case Ear Plugs - 32dB Protection, Protect your ears from harsh noise or simply block out sound, whatever the reason may be. Our foam ear plugs expand to fill your ear canal (one size fits most). They offer 32 decibel protection and are available in three safety colors. Imprint appears on the reusable carrying case. Ideal for worksites, concerts and so much more. ... #EP101 $0.93/each.