FEATURES UL STYLE"MARGIN-TOP0PX;PADDING-TOP 5PX; PADDING-BOTTOM 5PX;" 100 PVC-FREE. INDEPENDENTLY TESTED NRR 27, WITH A NEW SOUND DAMPENING ADDITIVE. NRR 27 GIVES PROTECTION IN MOST NOISY ENVIRONMENTS. METAL DETECTABLE MODEL NOW WITH A METAL DETECTABLE CORD. EASY GRIP HANDLE LETS EARPLUGS EASILY SLIP INTO EAR. AIR BUBBLE IN TIP PROVIDES CUSHIONED COMFORT. EARPLUGS CAN BE WASHED AND REUSED. POCKET-PAK CARRYING CASE PROVIDES HYGIENIC STORAGE OF PLUGS BETWEEN USES. AVAILABLE IN CORDED, UNCORDED, AND CORDED METAL DETECTABLE MODELS. LOOK FOR THE BRIGHT GREEN COLOR AS A SYMBOL OF MOLDEX QUALITY.