GLIDE FOAM TWIST IN EARPLUG CORDED NRR 30. LIKE A FINGERPRINT NO TWO EAR CANALS ARE ALIKE. GLIDE'S UNIQUE MULTI-CURVED STEM ROTATES FOR A CUSTOM FIT INSIDE EACH EAR CANAL. WITH ITS UNIQUE CURVED STEM DESIGN YOU SIMPLY PUSH & TWIST FOR GLIDE TO ANGLE ITS WAY TO FIND YOUR FIT. FEATURES UL STYLE""MARGIN-TOP0PX;PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" UNIQUE MULTI-CURVED STEM ROTATES FOR A CUSTOM FIT. GLIDE FOAM IS INDEPENDENTLY TESTED TO ANSI S3.19-1974 NRR30. LARGE HANDLE ON CURVED STEM FOR EASY INSERTION & REMOVAL. LARGE SOFT FOAM POD FOR A COMFORTABLE SNUG SEAL. CORD CAN BE ATTACHED AT ANY DESIRED LENGTH. LOOK FOR THE BRIGHT GREEN COLOR AS A SYMBOL OF MOLDEX QUALITY. 100 percent PVC-FREE LIKE ALL MOLDEX PRODUCTS & PACKAGING - FOR A GREENER ALTERNATIVE. 100 PAIRS PER BOX MADE IN U.S.A.