Mack's Slim Fit Ear Plugs: • A snore blocker. • Noise reduction rating - 29 decibels (when used as directed). • Sleep, study, work, travel, sports, shooting, power tools, loud events, etc. • Moulded with state-of-the-art, super low-pressure foam. • Fully skinned and tapered, providing unmatched user comfort and hygiene. • User preferred teal colour makes them as easy on your eyes as they are on your ears.