Dylusions Dyamond Boards - Squares are ideal for mixed media and journaling projects. These die-cut, pre-primed boards provide the perfect substrate for use with Dyamond Rocks, Dyamond Dust, and Dyamond Medium. For best results, Dab the board with Medium and add multiple layers of Rocks, melting them after each layer is applied. To produce a debossed image, ink a stamp with the Medium pad while the board is still hot and press it down. Top with Dyamond Rocks for an eye-catching design. Each pack contains twenty 7.3875 x 4 x .45 pieces.