Stretchy Black fitted mattress cover in Stretchy Black fabric stretches up to 15% of its body and contours to your furniture. Wrinkle FREE fabric offers a distinctively unique look, this slipcover adds class and style to any room instantly! Durable stretchable fabric is 97% polyester, 3% spandex. Machine washable Offers inexpensive alternative to a bed cover or even a futon cover. Works just like fitted sheet, covering the top, the sides and partially bottom of a mattress. Elasticized construction allows for easy fit and removal.