Flexible flanges adapt to the shape of the ear canal and effectively protect against noise Ergonomically shaped handle for easy insertion and removal of the earplug protector One size fits most users Good attenuation (SNR 29dB) that meets the needs of most industrial applications Easy to wash and clean Earplug protectors with vinyl cord 3M™ E-A-R™ Tri-Flange Earplug Protectors are equipped with soft, flexible flanges that adapt to the shape of the ear canal and provide triple protection against noise. The 'LiveWire' plastic handle allows for quick, clean, and optimal insertion for effective protection. Earplug protectors with vinyl cord.