Production Time: 50 business days - Make some noise with your next branded promotion with these pro-designed earplugs! These silicone earplugs are ANSI certified and have an extended post for easy insertion and removal. Each set includes a round 1 9/16" plastic carrying case with a short beaded chain to connect to a keyring. Choose a color and add your organizational or company logo or emblem to the carrying case. You can even add a full-color swag book to hammer your message home. Makes a great giveaway for the worksite, concerts, pep rallies, sporting events and other loud business and social activities.