HTV stands for Heat Transfer Vinyl, where vinyl is heated to temperature and it then adheres and sticks to the material.
It comes in a variety of finishes (Glitter,Patterned,Glow in the Dark, andMetallic) and can be used by cutting with a pair of scissors, or in a machine like a die cutting machine and cutting dies, or with a computer controlled machine like a Silhouette Cameo or Circuit Maker.
Comes with full instructions and a sample so you can try it out in your machine to get the settings correct.
HTV comes in sheets, mini rolls, and half metres for large projects.
There is little to no waste on this product as even the little bits can be cut up and used!