3M™ E-A-R™ Push-Ins Metal Detectable Earplugs - 318-3000 No Roll. No Touch. No Problem. Patented E•A•Rform™ foam tip provides protection with the ultimate comfort throughout the day. The E•A•Rform foam tips respond to the bodys natural heat to get more comfortable the longer they are worn. A gentle push is all it takes to insert. Flexible stem makes insertion and removal cleaner and easier. Metal detectable cord. NRR 28. 200pr/bx. ANSI S3.19; CSA Class AL.