Benefits of Crazy Warm Stay Calm Warming Technology: Tourmaline Powder triggers a warming effect causing a calm and restful feeling Tourmaline is said to reduce the pain of arthritis and muscle strain For added comfort, pad contains dense memory foam Great for travel! Specifically designed to fit most crates Cats love the Crazy Warm Pad too! Care Instructions: Unzip cover and remove inner memory foam. Rezip, machine wash cover on cool, gentle cycle. Hand wash memory foam. Reshape both separately and air dry. Size 30" x 20" x 1.5"