Heat reflective fleece for all your craft projects. Reflects heat back to the source. Recommended applications; quilting, apparel, lunch bags, sleeping bags, window treatments and coverings (reflects heat source), place mats, trivets, oven mitts, throws and wraps for outdoor activities and sporting events. Note: At least one layer of cotton wadding is recommended with Bosal PolyTherm Fleece when used for oven mitts, trivets, or potholders. POLYTHERM FLEECE IS HEAT-RESISTANT, NOT HEAT-PROOF.