HIGH-QUALITY STAINLESS STEEL - This insulated soup container is made of food grade 304 stainless steel, BPA-free and PVC-free materials. The silicone base helps prevent slipping and scratching surfaces. Vacuum Insulated - Keeps food hot for up to 5-10 hours or food cold for up to 12 hours. Ideal food bottle for hot food for adults and children. The lid can be used as a serving bowl. The wide-mouth design allows for easy spooning, filling and cleaning.