FEATURES UL STYLE""MARGIN-TOP0PX;PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" 100 PVC-FREE. HIGHEST INDEPENDENTLY TESTED NRR 33. TAPERED FOR EASIER INSERTION. IMPROVED SOFTER FOAM FOR MAXIMUM COMFORT. HYGIENICALLY PACKAGED IN BIODEGRADABLE PAPER POUCHES. NON-IRRITATING SMOOTH SURFACE. LONGER LENGTH FOR EASY FITTING AND REMOVAL. LOOK FOR THE BRIGHT GREEN COLOR AS A SYMBOL OF MOLDEX QUALITY.