Specification Label : HOWARD LEIGHT Manufacturer : HOWARD LEIGHT MaterialType : Polyurethane Foam ProductGroup : Health and Beauty ProductTypeName : EARPLUG Publisher : HOWARD LEIGHT SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/41O8GCptFFL._SL75_.jpg SmallImage_Width : 75 Studio : HOWARD LEIGHT Title : Howard Leight LPF-1-D MAX Lite NRR 30 Uncorded Disposable Single-Use Earplugs: 500 Pair Refill Box