Mack's Pillow Soft Earplugs are America's original and #1-selling moldable silicone earplugs. Mack's Pillow Soft Earplugs mold very comfortably to the unique contours of any ear. Doctor recommended to seal out water, help prevent swimmer's ear and surfer's ear and for protection after ear surgeries. These snore proof earplugs have a noise reduction rating of 22 decibels, should not be used for depths below 10' (3 meters) and are made in the USA. Shatterproof carrying case included.