... 2. Made of borosilicate glass. Heat-resistent, can be put into microwave oven,electrical cooker and refridgerator.3. Sealed glass lunch box with lid. Lid ... package. Needs of products being packed in gift box or set, colored or white window box, brown box, shrink box, ... etc. is to be satisfied. 7.Glass lunch box widely used for carry lunch, storage,freshness keeping,etc. Pyrex Glass Lunch Box with Lid