.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).
Pivoting earcups for optimum fit. Works with AO Tuffmaster face protection system 3M Personal Safety Division 247-H9P3E Peltor Optime 98 Cap-Mount Earmuffs; Hearing Conservation H9P3E 10 Each Case.