Whether you are working with heavy machinery, doing yard work or attending a concert by your favorite artist the 3M E-A-R E-Z-Fit Single-Use foam ear plugs will help protect your fragile eardrums from harm. The proven bell shape ensures reliable, high-grade protection you can count on. These stylish yellow/blue 3M ear plugs are designed with slow-recovery PVC that gradually expands to create a snug sound barrier within your ear. You will enjoy the dermatologically safe foam that effectively minimizes the potential for irritation, allowing for more comfortable wear.