3M™ E-A-R™ UltraFit™ Earplugs 340-4001, Uncorded, Carrying Case A proven triple-flange design and pliable, premolded material make UltraFit earplugs a more comfortable fit for most ear canals. These durable, reusable earplugs are easy to use again and again, reducing waste. They can be cleaned easily with soap and water. Since there is no need to roll them down before fitting, simply push them into the earcanal for clean and comfortable noise reduction. Reusable triple flange design ensures high protection levels Product available in either polybags or cases for safe storage Premoulding delivers performance in a variety of work environments Ideal for dirty environments as no roll down required, simply push them into your ears for hygienic protection