... with wire and without wire Cordless ear plugs,foam material can be used again Protection Ear PlugBullet type, Christmas tree type ... , can be equipped with wire and without wireCordless ear plugs, foam material, equipped with comfortableThe Earplug with a ... used againSoft string, to prevent wound ART.NO Protection Ear Plug MaterialfoamDesign Three-layer sealing structure Type Bullet,Christmas tree