Multi-functional: the 3-in-1 box is truly a diverse food container that allows you to securely transport your lunch, cook dishes in your oven, and even store pre-cooked meals in a freezer Leak proof: The stainless-steel box lid is specially designed with an over-mould silicone to prevent any spills or leaks Vacuum security: The vacuum valve on the lid provides extra security and leak proof functionality. Lift the valve to open and push down to securely close Friendly: 100 percent plastic-free lunch box design. The box, fork and food divider are made from quality stainless steel. The strap and mould are made from BPA free silicone Practical accessories: a stainless steel fork is securely help in place by a silicone strap and a removable slider/ diver allows you to organise your food with ease