Now that my account has been updated, I can begin production of these for any of you Firewood owners who may be interested. Three for $5 + shipping. The properties of polyimide: http://en.wikipedia.org/wiki/Polyimide edit: If you have any ideas about something you might want for one of your vapes. Feel free to ask. My capabilities are rather limited but I'll try my best to construct it(at no cost to you if it's unsuccessful). It will only hone my skills further so I can make bigger and better things.