Layer Portable Steel Insulated Food Thermal Container Lunch Box 1.2L- Multi-colours. Colour: Multicolors Material: Stainless Steel Made of SUS304 stainless steel Double-wall vacuum Insulation for max temperature retention Silicone ring to prevent leaking Idea for carrying hot food as interior heat will not transfer to exterior Ideal food box for takeaway. More hygienic and environmental friendly. Convenient to bring along to work place, office, picnic and school.