Dylusions Dyamond Boards - Rectangles provide the ideal foundation for Dyamond Rock, Dyamond Dust, and Dyamond Medium decorations. Suitable for journal covers, mixed media, and art journaling, these pre-cut, pre-primed boards make the creative process easier. Use the Dyamond Medium Dabber to fully cover the board, then layer Dyamond Rocks followed by two additional layers. While hot, use a Dyamond Medium-inked stamp to deboss images. Sprinkle Dyamond Rocks over the design for a finished look. Each pack contains 20 pieces; measuring 7.3875 x 4 x .45.