Pebeo Arty's Easy Fix Stretcher Frame for Silk Painting, 22 by 22-Inch An innovation allowing easy stretching and painting of silk and other fabrics Rigid and stable EASY-FIX frames are washable and easily transportable Durable plastic, Completely washable, Easily transportable Can be adjusted to fit either standard or special sizes up to 22x22 inches An innovation allowing easy stretching and painting of silk and other fabrics rigid and stable easy-fix frames are washable and easily transportable Durable plastic, completely washable, easily transportable Can be adjusted to fit either standard or special sizes up to 22x22-Inch