Each A4 sheet infuses with 25 ml=0.845351 fluid Oz of liquid K2. You can buy the legal infused A4 plain paper or previously presoaked paper. Now we have Unique A4 K2 infused paper sheets for sale at very low low cost rates. K2 spice paper, K2 paper In either case is so strong and it will blow your intellect off.most effective herbal incense ideal