Mack's original 'Pillow Soft' silicone ear plugs easy to use dispenser contains 200 Mack's earplugs for swimming, sleeping, snoring, flying, with great ear protection. • The original silicone ear plugs. • Snore proof. • Helps relieve flying discomfort. • Waterproof. • Helps prevent swimmers ear. • Noise reduction rating 22 decibels (when used as directed). • Swim, sleep, study, shower, work, travel, sports, loud events, flying discomfort, and more.