Paw Inspired Fitted Fleece Liners for Ferret Nation, Critter Nation Cage for Ferrets, Rats, Chinchillas, Hedgehogs & Other Small Animals (Gray, Double Unit Set)Brand: Paw Inspired Color: Gray Features: SET INCLUDES: Bottom Pan Liner, 3 Ramp Covers, 2 Shelf Liners, Top Pan Liner with Notch PERFECT FIT: Designed specially for use with the Ferret Nation and Critter Nation* double unit cage. A stretchy elastic bottom makes the liner easy to put on and secure over the trays, and two flexible wide straps reinforce the liner for a perfectly tight fit. The top pan includes a cut out for the ramp opening. The ramp