Sublimation is a process by which sublimation dyes are printed onto a transfer medium with a specially prepared inkjet printer. Those dyes are then transferred from the medium to an object or garment under the heat and pressure delivered by a commercial heat press. Sublimation only works on garments made of polyester, or on specialty objects made of polyester or given a polyester coating. When the heat and pressure are applied, the dye on the transfer medium sublimates, or becomes a gas, and is then absorbed into the polyester itself; the print is actually a part of the garment/coating. It doesn’t fade easily, wear, or have any texture or weight.