Screen Printing is a process where ink is passed through a ¡¯screen fabric mesh¡¯ . Items most commonly Screen Printed are: T-Shirts, Vinyl Stickers, Transfers for heat pressing on garments and caps. Decals (Ceramic inks used for Firing on Mugs and Glassware) or decals to be applied to products before varnishing (logos on guitars etc). There are also special screen printing machines for printing on plastic bottles and other irregular shapes.It is also known as "silk screening" or "serigraphy". Refer to the diagram below to get an idea of how the process works.