Banded Style Hearing Protector, Lightweight & Adjustable, Pods Are Washable, Detachable & Replaceable, Works With 3M Replacement Pods #90537, Noise Reduction Rating NRR 28 DB, Used To Help Protect Hearing Against Noises At Or Exceeding 85 DB, Attached Band Stores Around Your Neck When Hearing Protection Is Not Needed, Great Choice In Hearing Protections For Both The Professional & The DIY.