Trustworthy quality: The insulated lunch box has passed the international professional standard certification, and the quality assurance is trustworthy. 304 food-grade stainless steel liner, safe and healthy, corrosion-resistant and rust-proof. 6-layer temperature lock, long-lasting heat preservation, large caliber, full body detachable and washable, 360 cleaning, refuse bacteria breeding, care for your intestinal and gastrointestinal health.Perfect details: The soup bottle uses a food-grade silicone sealing ring to ensure leakproof. Equipped with a food-grade pp material spoon, BPA-free, high-temperature use will not produce toxic and harmful substances, to ensure your food safety, can be bundled with keywords, no need to place it separately, and compared with other products, the folding steel spoon is easier to use.Suitable for all seasons: keep warm for 12 hours, keep cold for 24 hours, the insulated lunch box is suitable for spring, summer, autumn and winter, and the frequency of use is super high. This food bottle weighs only 340 grams, is light and easy to carry, and has a large capacity of 400 ml, suitable for camping picnics, student economic lunches, office breakfasts, fitness and fat loss, etc.Best gift for yourself and your family/friends/children: The insulated lunch box is simple and fashionable in style, and the color is low-saturation light pink. It is very suitable as a gift for birthdays, Children's Day, Women's Day, Mother's Day, Father's Day, Teacher's Day, St. Patrick's Day, Easter, Christmas, New Year and other festivals, and send blessings and warmth to your loved ones.Insulation tips: Pour boiling water 10 minutes in advance to preheat, then pour boiling water with ingredients, and simmer for about 4-6 hours to enjoy the warm delicacy. This method can be applied to foods such as pasta, puree, and oatmeal. You can also choose to use the thermos as an extra-large capacity thermos, the principle is the same, iced coffee and iced cola are also perfect, I hope you enjoy using the soup thermos!