This We R Makers mat is heat resistant up to 400 degrees Fahrenheit and especially made for the fuse tool from WRMK. Put the fuse tool in the practical holder during use. The non-slip silicone mat is super flexible and can be put on any clean and smooth surface. This package contains a silicone mat with a 12x12 inch measurement grid. Ideal for fuse tool projects such as shaker pockets, photo sleeves and cards made of fuseables.