Hearing ProtectionEar MuffsClip-On Ear ProtectorThe protectors can be put into the stand off position. Compatible with Expertbase helmets and PW51.Easy to clip-onAdjustable dual pin system provides multiple positioning for better fitStand-off position for intermittent useCompatible with Expertbase HelmetsCE-CAT IIIRetail bag which aids presentation for retail salesIndividually packed for vending machinesCE certified