(Quoted from Stahls' Blog. Full article here.)
Heat Transfer Vinyl or HTV is a vinyl used to decorate apparel, bags, and other soft goods. Unlike adhesive vinyl or sign vinyl, HTV is printed onto an item using heat and pressure. How you apply each heat transfer vinyl depends on the fabric and the application guidelines. Just as there are many different types of garments, there are different types of HTV to decorate them.
This post will teach you about various terms used for heat transfer vinyl; the different types of HTV; how to cut, weed, and apply HTV; and the different types of equipment you will use.
Click here to read the full article