Quality Time’s Encased Miracle Mattress cover is made to protect mattresses from liquids, bacteria, and dust mites. The encased featured guarantees not only the protection of the top surface of your mattress but the bottom surface as well. Made from a waterproof, high technology plastic underneath and terry cloth on the surface to soak up liquid spills, especially for new mattresses. Strechable, breathable, and hyp-allergenic. Use in conjunction with Quality Time’s Mattress Pad. Machine washable. Dry on air tumble. White color.