The effects are different from ordinary anti-fog products. SASs proprietary high viscosity liquid creates a tough film across the entire lens to ensure long lasting clear vision. Contents: 0.5 fl oz (14 cc) (SAS Anti-Fog α) is a new product that has improved anti-fog effects. [Usage] Diving mask, spread large rice grain on the left and right side, lightly rinse with water, Glasses, goggles, face shield, and lightly wipe off with wet tissues. *Adjust the effect while viewing and use