Be aware of the natural environment: Use K2 paper in a safe and comfortable surroundings, preferably with trusted mates or people who can support if needed. Steer clear of working with it in unfamiliar or potentially unsafe configurations. Each A4 sheet has 25 ml=0.845351 fluid oz of liquid K2 on https://www.tumblr.com/factsabouteverythingseo/748651429729812480/strongest-k2-spray-on-paper-strongest-k2-spray?source=share