Food Flask, 750ml Vacuum Insulated Food Jar Stainless Steel Double Walled Vacuum Insulated Food Containers for Hot Cold Food, Kids and Adults Leakproof Soup Flask with Folding Spoon- Black

• Double Insulated Stainless Steel Design: Vacuum insulated food jar with double wall vacuum insulation technology and seamless welding technology, isolate its contents from outside air and maintain the original temperature, can keep food hot and cold for up to 12 hours. Ideal for use in winter to keep food and drinks hot and warm, or in summer to keep fruit, smoothies or juices cool and fresh.