4 packs of 15 individually wrapped wipes per case. Wipes are individually wrapped and placed into a larger bag of 15. There are 4 bags per case. Irradiated for a shelf-life to 4 years. Large size cleans arms, hands, face and neck. Based on improved decon science originally developed by NIOSH. Helps clean off carcinogens including metal oxides, hydrocarbons, isotopes, drug residue, plastic residue as well as dirt, grime, and germs. Alcohol and Fragrance free.