They're on the 46-50 g rat bag, which is right on the cusp. Once that's used up in a couple weeks they'll be on the 51-55 g which I think are officially smalls? Suppliers all label their sizes something different, but I think that's right. They only have four weeks worth of that size, so that's when I'll order a couple 60-80 g packs from Big Cheese. And if they keep putting on growth at the same rate and really blow past the current supply in weight, I can just double up the feeders until the new order comes in.
I really couldn't be happier with these girls, they're beautiful, sweet, not shy at all, and eat like pigs. Top of the bp pile!