Minky Supersize SmartFit Reflector Ironing Board Cover 60% Cotton/ 40% Polyester Imported Fits all extra large boards from 48'' x 15'' up to 57''x 21'' Fits in seconds - super tight, pre-tensioned elastic Faster crease removal Heat reflective metallic surface Smoother ironing surface - thick felt backing Wipe clean with a damp cloth Do not machine wash Do not bleach Do not tumble dry Allow to dry naturally