The Ferret Nation or Critter Nation designer bottom pan cover fits the bottom pan only that is included with all Ferret Nation / Critter Nation cages (Fits 141 181 161 & 1st story unit only for 142 182 162). The bottom pan cover is made w/ polyester fabric and adds a flair of fun color and comfort to your pet s home. Each pan cover is machine washable and dryer friendly to promote longer use & includes a 1-Year Manufacturer s Warranty. If you have any questions about our Ferret Nation & Critter Nation accessories our customer service department would be glad to help you. MidWest customer service can be contacted at: 1-800-428-8560 available 9:00 AM - 4:00 PM Monday - Friday.