Ear plugs are designed to provide you with all day comfort while working on the jobsite. The soft comfortable foam expands quickly in your ear for a secure seal to protect against hazardous noise. The noise reducing ear plugs are designed with a tapered shape to comfortably fit inside your ear canal， providing you with a Noise Reduction Rating (NRR) of 32db. Individually sealed pairs of foam earplugs are available in bulk， allowing you to easily distribute them on the jobsite.