Gosfrid 3 Layer Portable Stainless Steel Insulation Lunch Boxes - 1Pc Now packing lunch for your child and husband will be easy with these Lunch Boxes. Pack all sorts of healthy food for your loved ones and give them the right nutrients with this lunch box set at your disposal. Made of Stainless Steel. Made of high-quality stainless steel, these lunch boxes are sturdy and durable, and are easy to clean. Airtight Containers These lunch boxes are airtight, thus keeping the food fresh for long and maintaining hygiene.