Arthur Collection-Down Alternative Mattress-Pad 400-Thread-Count 25" deep 100% Egyptian Cotton Cal-King white Cotton 400 thread count 25" deep 100% cotton top fabric with classic jacquard design Mattress pad sewn with soft cotton fabric and overfilled for extra comfort Overfilled with loft-retaining, polyester filling for extra comfort End-to-end Diamond stitched with mitered border to prevent fill from shifting Machine wash and dry for easy care