I found it at Michael's arts and crafts store. But they seem to have stopped carrying in the stores. I was in 3 Michael's over in Tampa last week and nothing. But it's on their web site. I use the Bienfang 13.5" 100% linen paper. It works for both my combustibles and my Pritchett cartridges. The Potassium Nitrate I found online in powdered form. My bullet lube is a 8:1 beeswax/mutton tallow blend straight from a Civil War Ordnance manual.