Pop goes the Weasel Ferret Barrels are fully lined in anti-pill fleece for comfort. Additional covers can be ordered as well. (ferret not included)
Standard 13 X 7 4" opening $20 Large 14 X 9 6" opening $25 Barrel cover set w/o barrel (either size) $10
In this photo you can see the difference between the standard size and the large.