All my products are lovingly handmade with your ferrets comfort and enjoyment in mind, and are tested by actual ferrets! The Fleece Flyer, Corner Cubby and Cubby Cube feature soft faux sheepskin lining and 100% cotton outer shell and machine washable. They attach to the habitat with metal swivel lanyard or lobster claw clasps. The Hammock Pocket is a super soft microfiber lining with polar fleece outer shell and is perfect for balding or older, infirm ferrets. They love the super softness! The Pillbox Bed is soft polar fleece, one-piece desing and the sides fold down for a whole different style bed! Soft batting lining makes for a comfy place to nap for any ferret! All come in a variety of cute patterns so please inquire as to availability.