STERILE: Each alcohol prep pad is individually wrapped and sealed to keep it sterile.
FOUR LAYER WRAPPER: The 4-layer wrap provides an air tight seal which prevents leakage and drying out.
70% SATURATED: Saturated with 70% Isopropyl Alcohol for optimum anti-bacterial action.
https://www.rollmed.net/alcohol-pad/70-isopropyl-alcohol-pad.html