Effective noise protection: Original Quies natural wax earplugs keep your hearing safe, with a noise reduction rating of 27dB. Because they are made from natural wax, Quies wax earplugs warm to your body's temperature and lightly condition the lining of your ear canal. In fact, they are so comfortable that you may even forget you are wearing them! They are also highly malleable, conforming to the unique shape of your ear. Quies natural wax earplugs are perfect for prolonged wear, and should be discarded after each use