Polyester Paper is made from polyethylene terephthalate films. These films are extruded in various thicknesses to make different thicknesses of polyester paper. So to start off, there is such a thing as polyester Piper and every first-time user always and absolutely loves it.  There are many advantages of Polyester Paper. Primarily they are completely Waterproof & Tear Resistance. Also, they are oil and grease resistant and incredibly tough so it won't crease by accident or cut at the corner and they certainly won't tear.