Lunch Box Medium Oval - Stainless Steel Size(cm): 18 x 11 x 4.5 Weight: 370g Benefits: Single Layer Comes with a snack box Dishwasher & Freezer safe BPA Free 100% Stainless steel, a great alternative to plastics. This product is not leakproof Warranty: One year manufacturing warranty. Meals in steel offers a wide range of food-grade, high-quality stainless steel lunch boxes, and bottles, to keep your food safe. Eat Healthy, Live Healthy! Do You Know? Studies of bisphenol-S, the chemical compound sometimes used to replace bisphenol-A in "BPA-free" plastic products, found it is disruptive not only to the body's hormone system but to brain circuitry in developing animal embryos.