Clear Ear Plugs Are Alcohol-Free And Supplied As Five Pairs For Convenient Personal Use. They Are Designed To Fit Into The Ears To Help Reduce Exposure To Unwanted Noise, Depending On Their Material And Fit. The Multi-Pair Pack Is Practical For Keeping Spares At Home, At Work Or While Travelling. A Comfortable, Correctly Fitted Earplug Can Help Make Noisy Environments More Manageable, Although The Level Of Noise Reduction Depends On The Product'S Specifications And Proper Placement.