.ear cushions are foam filled for a soft seal around the ear. Replacement ear cushion kit for use with the ValveMuff earmuffs from Elvex (QM25, sold separately).
) 6515 01 492 0461 COLOR: BLUE 1 BOX HAS 50 PAIRS. 36 SNR CE EN-352-2:2002 TESTED TO ANSI S3.19-1974 NSF (NAT'L STOCK NO.FEATURES PLASTIC CARRYING CASE & CHAIN MAY BE ATTACHED TO BELT LOOP, BAG OR OTHER WORK TOOLS NYLON BRAIDED CORD ULTRA-SOFT POLYMER IS NON-ALLERGENIC & NON-IRRITATING RESISTS EAR WAX AND BODY OILS FOUR-FLANGE ROUNDED DESIGN CREATES AN EFFECTIVE SEAL STURDY STEM IS EASY TO GRIP FOR INSERTION & REMOVAL 25 NRR (NOISE REDUCTION RATING).