About this item Food Safety Guarantee：PVC-free, food-grade 304 stainless steel, we attach great importance to the health of consumers, please feel free to buy our insulated soup thermo. Superior Vacuum Insulation: double-layered stainless steel, copper-coated insulation and seamless soldering technology keeps food warm for 6 hours and refrigerates food for 8 hours. Keeps lunches warm longer by preheating/pre-cooling with hot/ice water for 5-8 minutes before placing food in the food jar. Leak Proof Design: Feel confident that our leak-proof food jars will fit in your lunch bag without worrying about spilling messes. The insulated thermo food jar comes with a food-grade spoon for your child's convenience. Wide Mouth Design: 2.8" wide diameter makes it easy to fill, pick up and clean. It is recommended to hand wash the food insulated containers to extend the life of the product and the pattern on the exterior of the product can be maintained for a longer period of time. Notice: Preheating/precooling with hot/ice water for 5-8 minutes before putting food into food jars will keep your lunch warmer for longer. We also provide after-sales service for the soup thermo, if you encounter problems please contact us promptly, we can solve any problems for you. › See more product details