Has anyone used the Exo Terra Cricket Pen?
Exo Terra : Cricket Pen / Holding Pen with dispensing tubes

They look nicer somehow than the Lee's Cricket Keepers. But they're not on Amazon so no reviews. Just wondering if anyone here has any experience with them.

ETA: Also, the site says it "holds up to 50 adult crickets," but it doesn't say whether that applies to the small or large size. I'm guessing the large... ?