This food container has a patented four-hinge locking system and a silicone sealing lid. This assures food to stay fresh longer and keeps contents in containers secure. It is made from borosilicate glass that can withstand heat up to 750 F and is thermal shock resistant up to 248 F. The container is microwave, freezer and dishwasher safe.The product images have props used for illustrative purposes. Product Colour may vary slightly due to photographic lighting sources or your monitor/screen settings.