Great for cats and small dogs, this portable, lightweight 2 In 1 Cat Tunnel & Bed features a unique tunnel design that provides a cozy cave for kitty to keep warm and get snuggly, and unzips into a soft, plush mat. Tunnel bed has a heating layer that warms up with animal's body heat. Measures approximately 36" x 24" when flat. Machine washable. Comes packaged in an individual box. Box measures approximately 13.5" x 5.125" x 12.375".