As for heat transfer film for stationery goods specially very thin P.P Barrel, we developed the chemical that is very strong for salt or chemical thing and it works very well for the thin Barrel. *For stationery goods especially very thin P.P Barrel, we developed the chemical thats very strong as to salt or chemicals and it works very well for the thin Barrel. And after wrapping, PP Barrel leaves no unclean substances on itself. *Marker pens are made with P.P plastic usually, and our products can be transferred in the low temperature of 150℃~160℃. The degree of salt resistence and amount of gold, silver powder is adjusted according to the orderer. *Different size of heat transfer films could be used to wrap diffrent size of pencils with ease. Cylinder cost : us＄115~130