Protect your hearing without interfering with the ability to perceive routine sounds and conversation. Safe sound levels pass through unchanged, while potentially damaging soundsabove 85dBare filtered and converted into insignificant and harmless heat e Features: Hear conversation sound levels as if you weren’t wearing ear protection Filters out potentially damaging sounds above 85dB Made of soft, hypoallergenic medical-grade polymer Ergonomic design conforms to natural ear