The thick paper gives the product strength and durability. One side of the paper is plastic-coated and provides a barrier to air and moisture. This protects the quality, flavor and nutrition of foods during freezing. The other side is a durable paper which can be written on the contents and pack date before freezing foods. Outside of the freezer, this paper also keeps messy foods, markers and paint at bay. Reynolds KITCHENS freezer paper is ideal for household crafts projects, banners, writeable tablecloths, stencils and more. It's also great for protecting kitchen counters or lining shelves and drawers. For crafting and quilting, use it as templates for appliques or kids painting, school banners and projects.