The 12oz Insulated Food Jar features double-wall vacuum insulation to keep food hot or cold for hours. It is made of 18/8 pro-grade stainless steel for durability and no flavor transfer. The leakproof design includes a soft, easy-grip lid. It has a Color Last powder coat that is sweat-free and long-lasting. The jar is BPA-free and dishwasher-safe, suitable for on-the-go meals.