The Precious Tails Orthopedic Memory Foam dog Sherpa Crate Mat provides maximum comfort for all dogs and are ideal for senior and arthritic dogs with arthritis, joint or muscle problems. The orthopedic memory foam dog crate mat's secret is its high quality memory foam interior which contours to your dog's shape and distributes your dog's weight. The super soft Sherpa cover will provide the ultimate in comfort for your dog. The Precious Tails orthopedic memory foam dog bed is perfect as a crate mat. It can be used indoors or outdoors or the car; your dog will love it so take it everywhere you take your dog. The Precious Tails orthopedic dog bed is with a durable fabric so it can easily be wiped down for easy cleaning or the cover can be removed for washing. Small: 29" x 21" x 1.5", Large: 40" x 28" x 1.5"