Snoozer Indoor/Outdoor Wag Collection! Our Cozy Cave Pet Bed is made of durable water, fade and mildew resistant fabrics. For use indoors or outside, our Cozy Cave is a one of a kind pet bed designed to give your pet a cozy place to stay warm and comfortable. The Cozy Cave gives your pet a place to stay completely enclosed in a Sherpa interior fabric, keeping them warm throughout the year. Machine washable cover and inner liner.