It's probably because those items come in a "variety pack" with e.g. 6 of each flavor to make an 18 pack of 3 different flavors. We have this problem with the g

It's probably because those items come in a "variety pack" with e.g. 6 of each flavor to make an 18 pack of 3 different flavors. We have this problem with the green tea flavored Honest Teas. If you're ordering from Costco, in my experience many such items only come in a variety pack.