Bag of Jars of Bee's

this is a bag that hold multiple empty jars. when one is taken out its space filled by another jar. the jar pulled out fills with bee's, and when thrown fills a space of a twenty foot cube. the bees can either be harmless or do 1d4 damage for as long as the target is in the cube. more than one jar can be taken at a time and the bag never runs out.