Any idea of where these came from?

We cloth diaper, so for our baby shower we did a "wipe raffle" instead of a diaper raffle, and we received these! I cannot find them anywhere though! Are they a store brand of something else? They have some sort of "ridges" on them that seem to really help with poo! My husband and I love them and they don't bother our baby's bum. The packaging is nice too because of the flip top.