glass jar with rubber and metal closure meet food safe standars. with great tightness. ... . ANHUI JINMING GLASSWARE CO.,LTDglass jar with rubber and metal closurethis type jar made of glass, and with rubber ... tumblers, tea cups, beer mug, bowls, jars, plate, dishes, ashtray, stemware also microwave bowls, etc. we also do deep-processing ... Europe and Africa.FACTORY glass jar with rubber and metal closure