This is NOT a regular sponge. IT WORKS JUST LIKE AN ERASER, removing the most stubborn of stains and ingrained dirt, without the need for chemicals! Simply use on ANY smooth surface and watch it effectively clean like magic. Hair dye, grass stains, rust, grime, grease and so much more, simply wipes away. So forget toxic and expensive cleaning products. You’re GUARANTEED to be ABSOLUTELY AMAZED! Perfect for bathroom, kitchen – anywhere in your house! Set of 2. Made from Melamine. Each measures 9.7cm L x 6cm W.