The benefits. Dimensions 25.5cm x 18.8cm x 5cm Dishwasher safe Built to last and withstand daily use BPA free Leak free Removable silicone seal to help food stay fresher What goes in. Durable 18/8 stainless steel. The top lid is made from silicone. What's kept out. BPA or other harmful toxins including bisphynol-A and phthalate. Did you know? Stainless steel is a generic term for a family of corrosion-resistant alloy steels containing 10.5% or more chromium. The chromium reacts with oxygen in the air to form an invisible, protective chrome-oxide surface layer. Ecococoon provides lunch boxes in 18/8 stainless steel. The first number is the percentage of chromium contained in the stainless and the second is the percentage of nickel. Geography Carefully made in Australia.  Hot tip. The largest compartment is great for a sandwich or pasta salad, and the small sections are ideal for fresh fruit, veggies, and, of course, a treat (like our popcorn!).