Heat Packs can be heated in the microwave or also used as cold packs that are kept in the freezer. Wheat has great natural insulation qualities due to its cellular structure, which means it can absorb heat or cold evenly, which can then be distribute evenly and effectively on various parts of the body. Wheat Bags easily mould to the contour of the area being treated. Whether using our Wheat Bags therapeutically or just for comfort they are a valuable item for every home and make fantastic gifts for people of any age. We sell a variety of sizes to suit the area being treated and for maximum effectiveness. These Heat Packs are proudly 100% Australian made and owned!