The Lock & Lock Microwave Rectangle 1.1L is ideal for any work or school lunches. Store your leftovers or pre-plan your meals, then simply re-heat in the microwave. 100% airtight and leak-proof so you won’t have to worry about mess in your bag.Specially designed to conveniently cook and re-heat in the microwaveLock & Lock's patented 4-side locking system means the container is 100% airtight and leak-proofLid and body made from high quality, BPA-free PP materialSplatter-free heating with the steam release valveFreezer and dishwasher safe