Plugfones Foam Replacement Ear Plugs - 5 Pairs (Gray) EAR PLUG REPLACEMENTS: Replace your worn or dirty ear plugs. Plugfones ear plugs protect your hearing while listening to your favorite form of entertainment. WHERE TO USE: Plugfones ear plugs were 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. NOISE REDUCTION: Plugfones silicone ear plugs have been lab tested and offer a NRR of 25dB allowing you to block out background noise while enjoying music with great quality sound. QUALITY GUARANTEED: New and Improved! Plugfones are made from durable ergonomic material to ensure long comfortable wear time that will not fall out and will withstand abuse. Offering a 90 Day Customer Satisfaction Guarantee on all New Line Items. PREMIUM DESIGN INCLUDES: 5 Pairs: (Gray) Foam tips. Durable tips that are ergonomic ensuring a secure fit so that the ear plugs do not easily fall out during use. Compatible with all 2nd Generation and Liberate Plugfones products.