The Minky Smart Fit Reflector cover fits all standard sized ironing boards in seconds. The super tight, pre-tensioned elastic edging ensures a perfect fit on all boards up to 49 x 18 inches. It has Heat Reflective dots which are designed to reflect heat and steam, helping to quickly remove creases and speed up the ironing process. It has a luxuriously thick felt backing for a smoother, faster finish to your ironing. The Smart Fit cover is long lasting and can be machine washed at 104 Degree Fahrenheit