Size: 5"x3 1/4" ArtFoamie Stamp can be used on fabric, smooth walls, furniture, floors, paper, scrapbooking papers and mixed media pieces. Can be used with any acrylic paint. Easy clean-up with dish soap and water. Packaged with a free "StampBuddy" to pour paint onto to ensure an even distribution of paint for better stamping results. All ArtFoamies Products and designs are copyright protected. This Piano key stamp comes with the black and the white parts although the picture doesn't show it.