New and Improved - Plugfones ear plug replacements allow you to replace your worn or dirty ear plugs. Stay entertained listing to your favorite music, sporting event, or podcast while offering hearing protection that has been lab tested at a noise reduction rating of 25dB. Plugfones ear plugs were originally designed for working in the field or in a factory, but are great for any loud environment: gym, flying, mowing the lawn, riding a motorcycle, shooting etc. Plugfones are built to withstand abuse. Plugfones are made with the strongest materials to ensure durability and feature a ergonomic design that will provide a secure fit that will not easily fall out. Plugfones ear plug tips give you optimal safety, long comfortable wear time and enjoyment all in one. New and improved line offers a 90 Day Customer Satisfaction Guarantee. Compatible with all 2nd Generation and Liberate Plugfones products. Plugfones are not manufactured by, endorsed by, affiliated with or supported by 3M Company. CHOKING HAZARD: Not suitable for children under the age of 3.