Stainless Steel Lunch Box Fresh-keeping Box Multi-layer Plastic Student Insulation Lunch Box Features: Hygienic : The coating is made of double layer stainless steel, the mirror surfaces are highly polished, easy to clean, not easy to rust, safe and can be used with confidence. Airtight Bento Box: Lunch box with vent design, the principle of the pressure cooker, the vent hole can be sealed by pressing it. When you open the lid, you need to open the top vent hole before you can open the lid. The sealing performance is good and can be removed and cleaned. Cute and Functional: The bow handle design with ergonomic principle makes it more convenient and convenient to carry. It can be inserted and stored when not in use. The design is refined and generous and does not take up space. Thermal Food Holder: The inside has a sealing ring, thickened and widened and integrated with the plastic, not easy to fall off, better heat preservation effect, convenient to carry. Leak Proof Design: With locks on both sides of the lunch box, which can be secured with a push. There is no need to worry about loosening. The box lid adopts short buckle design to make the box lid and box body firmly. Product Description: package includes:1*lunch box