Hammock perfect for a Critter Nation Sized CageTwo layers of Polar Fleece make for a comfortable holed hammock.The size is about 17" x 14" which is perfect for Critter/Ferret Nations.The interior colors may be different than pictured.You will need four shower curtain type hooks to hang it.
 
You can get a Travel Sized Critter Nation Style Hammock and hang them as  a bunk bed style setup with the small one on top and the hook the larger one below onto the straps of the small one.