Poly cotton with additional feature of soil releases top, waterproof vinyl liner, with 5 in. to 15 in. mattress depth guaranteed to fit (including sofa beds) Expand A Grip (patented) skirt. Poly fill for added comfort. Machine washable. Protect your mattress investment with added comfort. 39 in. L x 80 in. W. Made in the USA.Low Monthly Payment. Click here to see what your monthly payment would be with your Sears card.