E-A-R Push-Ins corded foam earplugs provide all-day hearing comfort, convenience and protection. Constructed of 3M E-A-Rform foam, these earplugs feature a no roll-down design and a blue stem for a quick, easy fit. They are easy to use again and again, reducing waste. Poly bag keeps earplugs clean before use. Flexible stem makes insertion and removal cleaner and easier. Noise Reduction Rating (NRR) is 28 decibels. Earplugs are test-compatible with 3M E-A-Rfit Validation System.