Inkjet transfer
Inkjet transfer or Inkjet photo transfer is a technique to transfer a photograph or graphic, printed with an inkjet printer onto textiles, cups, glass and other surfaces.
A special transfer sheet, usually ISO A4 size, approximately USD 1 per sheet, is being printed on with a regular inkjet printer. The photo has to be printed as a mirror image.
T-shirt transfer
The transfer sheet is put upside-down onto a t-shirt or fabric and ironed (without steam) onto the cloth at 210°C. Some transfer sheets change color to signal that the transfer is finished. To create a glossy effect, the transfer sheet is removed after it has been cooled down. To create a matt effect, it is peeled off while still hot.
It is often a requirement of such "home made" garments that they be washed inside out, only in cold water, sometimes by hand, and not be tumbled dry. The heat from washing or drying conventionally, or from ironing over the transfer area, can damage the transfer or cause it to separate. This all generally makes them less practical for frequent wear than purchased items.
Printable tattoos
Avery markets a product called printable tattoo for other surfaces then textiles, including skin, plastics, ceramics and glass. The film is put upside-down on the skin, made wet for 10 seconds and then removed. The ink is left on the skin.