Ferret Nation External Ramp This exterior ramp can be securely attached to your Ferret Nation cage Models 181, 182, 141 or 142. It provides your ferret the ability to easily gain access in and out of the cage. The door can close with the ramp attached. Features: Securely attaches to your cage Door can close with ramp attached Sturdy design Item Specifications: For use with Ferret Nation Cage Models 181, 182, 141, 142 Size: 251/4L x 51/2W 142EXRMP 27773009139