Feed your bees! This quart jar is made from tough plastic and has a punched cap allowing bees to feed easily. 70 mm cap. This jar fits our plastic Boardman entrance feeders (Item No. FD101) and our hive top feeders (Item No. FD104 and Item No. FD105). If you've broken or misplaced a jar from your hive top feeder, never fear! Pick up one of these jars with punched cap today!