Miraclean is a problem-solver, a trouble-shooter and the product to use for removing tough marks, annoying stains and ground-in dirt. It´s not a cloth, it´s not a scourer, it´s not a sponge. It´s Miraclean, and it takes away tough marks like a miracle. MiraClean works like a big eraser on most hard surfaces and takes care of tough dirt, permanent pen marks, limescale, scuff marks and dirt/stains on whiteboards. Material 100% Melamine resin No detergents or chemicals required - Just Water Pack 12