The Duchess Deep Fill water bed mattress by Classic Sleep Products features a plush, pillow top, natural lambs wool, and a soft Euro-Damask cover which adds and elegant look and feel. This state of the art sleep system will keep you warm in summer and cool in winter, and features our unique design to ensure your sleep enjoyment year after year. The Duchess supports the head, neck, back, spine, and hips which reduces tossing and turning and helps you sleep better all night long. The foam perimeter comes with a lifetime guarantee, and keeps the bed extra sturdy. The optional solid pine foundation is hand-made. Classic Sleep Products Duchess Deep Fill Softside Waterbed Features: Softside Sets include Mattress Shell, Liner, Foundation, Foam Rails and Deep Fill BladderPlush, cloud-soft pillow top Real natural lambs wool warms you in the winter/cools you in the summer Silky soft Euro-Damask cover for an elegant look and feel Supersoft fiber and orthopedic foam designed to cushion your body Can help reduce tossing and turning Tack and jump quilting for maximum loft and plush feel Solid pine foundation is strongest in the business Sturdy foam perimeter (sling rail design) has lifetime guarantee Your choice of inner support 20 year warrantyStandard Softside Waterbed Mattress SizesTwin 39 in x 75 inFull 54 in x 75 inQueen 60 in x 80 inKing 76 in x 80 inCalifornia King 72 in x 84 in