Quies Pure Wax Ear Plugs Quies Pure Wax Ear Plugs boast a noise reduction rating of 27d B, making them highly effective at protecting your ears & preventing hearing loss, whether you are trying to sleep, concentrate, or simply rest in a noisy environment. Made from natural wax, Quies Pure Wax Ear Plugs warm to your body's temperature & adapt to the unique shape of your ear canal & are so comfortable that you may even forget you are wearing them. Quies Pure Wax Ear Plugs are hypoallergenic & perfect for prolonged wear.