2-in-1 Cozy Pet Tunnel & Bed with Self-Heating Interior only $16.99 shipped.  Great for cats and small dogs, this portable, lightweight 2-in-1 Cozy Cat Tunnel & Bed features a unique tunnel design that provides a comfy cave for your pet to keep warm and get snuggly, and unzips into a soft, plush mat. The interior has a heating layer that warms with animal’s body heat.  Machine washable.