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. FD-100) and our hive top feeders (Item No. FD-104 and Item No. FD-105). 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!