Dog Beds for Small Dogs, Cat Bed Cave, Washable Cute Cat Bed, Cozy Nook Pet Bed for Dogs or Cats, Anti-Slip Puppy Bed Fits up to 5 lbs Pets(Dark Grey, 16" x 16")2 Ways to Switch FreelyThis uniquely designed small dog bed has two ways to use it, when the top stays open, it can provide your pet with a burrow like environment where they can feel safe, and when the top stays closed, it can be used as a donut bed to provide strong support for the head and neck. Make Sure the Cave Is the Right SizeSmall: 16 inches x 16 inches x 10 inches for pets up to 5 pounds, Medium: 20 inches x 20 inches x 12 inches for pets up