i'm using for this container for flour ... >> not dog kibble <<...... fifty pound sack of flour fills about half the 69qt container... i purchased it because the restaurant storage bins were not sealed ... i figure...the smaller 33 cup container will work better as it still has a 55 lbs weight limit and i think the 50 lbs of flour will fit... the larger 69 cup i will use for an extra backup sack of flour...  I would have purchased the heaver duty restaurant container if it had sealed.... hope this helps the foodies out there... for i bake a good bit and fifty pounds is gone is a wink of an eye ...