Teflon Sheet For Heat Press Transfer Sheet Heat Transfer Paper Reusable Heat Resistant Craft Mat. Transfer sheets can be applied in various craft projects including paint, stamping, inking, ironing and baking. Works as Grill Mats /BBQ Baking Mats/Oven liners. Sheets are Teflon Coated PTFE fiberglass so nothing sticks to it! Just wipe it or wash this grill mat with a soft rag.