Arrgh the pirate theme is alive and well with the Pirate Ship made just for ferrets. It has several in and outs for quick escapes and it even has it?s own distinctive flag. Made of fleece. A free t-shirt with pirate logo is included in each package. Can be used inside or outside of cage. Easily clips to most cages.Arrgh the pirate theme is alive and well with the Pirate Ship made just for ferrets. It has several in and outs for quick escapes and it even has it?s own distinctive flag. Made of fleece. A free t-shirt with pirate logo is included in each package. Can be used inside or outside of cage. Easily clips to most cages.