The 2" Memory foam Mattress Topper comes with a 300 thread count cotton cover. The memory foam is made with Green Tea Additive that eliminates odors and the growth of bacteria. The ventilated memory foam allows airflow to alleviate heat build up while you sleep. The memory foam cradles your body relieving pressure points. - Topper comes with a luxurious 300 thread count cotton cover. - Cover 100% Cotton / Foam is 100% Polyurethane Product Measurements: - Queen - 60"Wx80"L - King - 76"Wx80"L Care Instructions: - Cotton Cover is removable and machine washable. - Foam is spot clean only with mild soap air dry. - Do Not Put Foam in Washer or dryer. Comfort Revolution 2 Inch Mattress Topper - Mattress Pads