Lunch Box Set : You will get 2 Insulated bento lunch boxes - two sizes, one Large and one small, to meet your different needs. SMALL(14.2OZ/420ml), LARGE (20.1OZ/620ml).With an insulated lunch bag, enhanced insulation, it is very convenient to carry out. Food Grade Material: lunch box set is made of high quality food-grade safe PP plastic (external) and durable 304 stainless steel (internal), BPA free, No rust, no odor retention, so you can use it without any worries. HEALTH AND SAFETY, Unique design, fresh and elegant style, perfect for women and men. KEEP FOOD WARM: The stainless steel bottom of the inner layer of the thermal lunch box is designed with PU foam filling, which keeps the heat preservation longer and can provide 3-4 hours of heat preservation effect. Before use, it is recommended to wet the inside and outside of the bento box with hot water to preheat. After the food is cooked, it is recommended to put it into the bento lunch box immediately, and then put it into the insulated bag (don't wait for all the bento box to be packed) Leak-proof & Convenient Design: Each bento box comes with a silicone seal ring, a double seal design that locks in freshness, leaks and odors.There is a clamshell exhaust valve on the top of the lid, the hot air can be exhausted at any time, which makes it easier to open the lunch box; there is a hidden handle on the top of the lid, which is convenient to carry and move.The lunch box with double heat insulation layer design allows you to enjoy food at any time, No hot feeling in hand. Free Combination - Enjoy Food: The stainless steel insulated lunch box set can be Stackable, freely combine food, store it separately, preserve the original taste of food, and make life more pleasant and delicate. Perfect for working adults, exercising, camping and traveling. It is a good choice as a gift for your lover, family and let them enjoy can enjoy homemade delicacy for a healthier eating style!