5603 Lunch Box 9001800ml Stainless Steel Kitchen Insulated Thermal Lunch Box Bento Office Picnic Food Container Leakproof Thermos Lunchbox5603 Lunch Box 900 1800ml Stainless Steel Kitchen Insulated Thermal Lunch Box Bento Office Picnic Food Container Leakproof Thermos Lunchbox Description: Double lock design, very safe. There are vents on the lid to keep food fresh. Very suitable for schools, offices, picnics, food storage, etc. Leakproof technology, clean and transportable. This tiffin box can be used as double layer as well as singular, as the lid of the tiffin box can be fixed on