Pet star Cushion SLEEPY Luxury Pet Bed by Pet Star is a dream for every dog.Inside the pillow in the bottom half consists of a stable foam. In the upper half directly under the mattress is a soft cushion for extra comfort again.The bed surface is made of soft faux sheepskin. The sides are covered with velor fabric and on the underside of the pillow with little friction grip is provided so that the pad will remain on slippery surfaces in place.