The Heat Resisting Batting by Lori Holt of Bee in my Bonnet is made of plated aluminum film & polyester & is heat resistant. It helps to reduce or prevent the transmission of heat & cold & is perfect to use with the Cook Book Home Décor Casserole Carrier & Hot Pad Panel (HD11775-PANEL) which is sold separately. The package includes a one-yard cut. Lori Holt Heat Resistant Batting #st-24599