Weekender Hotel Flat Sheet,, Twin XL,, White 200-thread-count fabric featuring 60% cotton,, 40% polyester. Wrinkle-resistant,, easy-care fabric is bleach safe. Machine wash cold,, tumble dry on low heat . Wash tested for temperatures up to 370 degrees . Fitted sheet fits mattress depths up to 14 inches. . . . 200-thread-count fabric featuring 60% cotton,, 40% polyester Wrinkle-resistant,, easy-care fabric is bleach safe Machine wash cold,, tumble dry on low heat Wash tested for temperatures up to 370 degrees Fitted sheet fits mattress depths up to 14 inches