For Safety's sake, think Pine Cone Lumber for a full line of necessary jobsite safety items. Our Ear Plugs are designed to provide you with all day comfort while working on the job site. The soft comfortable foam expands quickly in your ear for a secure seal to protect against hazardous noise. At 100 per bag, you can get the whole crew outfitted. 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