Be mindful of one's surroundings: Use K2 paper in a safe and comfortable atmosphere, preferably with trusted friends or people who can support if required. Steer clear of using it in unfamiliar or potentially unsafe settings. Each and every 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