Pet Spaces Everyday Orthopedic Mat, 22 x 35 x 2 22" x 35" x 2" Traditional mattress style bed that provides a maximized sleep surface Perfect for large dogs that love to stretch and sprawl out in their sleep Thick "egg-crate" style foam provides an economical orthopedic option for added comfort and support Lightweight and portable design is perfect for the home, kennel, or on the road