Production Time: 50 business days - Shut out the noise and distraction around you while you sleep, read or study with these easy wearing earplugs. This pair of soft foam earplugs are ANSI certified for the worksite, and come in a 2 1/2" x 1 3/4" cardboard storage case. Simply roll them between your fingers and insert them in your ears, and they'll expand to fit and block out harmful sounds. Choose from two colors and add your organizational or company logo, emblem or message to the storage case. These earplugs make a great gift or giveaway at noisy events like rock concerts, ball games, pep rallies and other events.