Microwaveable Thermal Lunch Box, Portable Insulated Containers With Bag, Leakproof Stackable Stainless Steel Food Container For Adults, Kids, Set of 3 Tier Bento Boxes (Brown)

• 304 Stainless Steel: Both the container tank and utensils of the lunch box are made of 304 stainless steel with excellent corrosion and oxidation resistance. Easy to Clean. • 100% Leakproof: With separate lid for each container, your lunch would never get mixed. Roud upgraded silicone ring is applied to each lid, and spiral seal instead of buckle seal makes it entirely airtight and leakproof. • PU Foam Insulating Layer: High-density insulated pu foam is applied to the middle layer, which makes food stay warmer than those with vacuum layer. At room temperature this food thermos will keep warm/cold for 3 hours. • 3-Layer Thermal Lunch Bag: The lunch bag adopts sratch-resistant oxford cloth as surface, moisture-proof and thermal pearl cotton as padding and smooth aluminum foil as liner, extending thermal time to 1h longer. • Bento Box Sets Inclould: Small container(13oz/1.6cup)*2, Large container(20oz/2.5cup) *1, Insulated Lunch Bag *1. • Warm Tips : When you microwave, The lid needs to cover the lunch box, but it cannot be locked. Open the ventilation holes on the lid and put the whole lunch box into the microwave oven for heating. Recommended heating time is 3-5 minutes.