Use these quality tiles to create drawings and designs in pen, pencil, pastel, watercolor, and more. Set of 75 white Artist's Tiles. 300 gsm card stock. Fine-tooth surface takes pigment pen and other artist tools beautifully. No ink bleed for fine line control. Card set is acid-free and of archival quality. Good for dry and wet media. For artists and crafters of all levels. Tiles measure 3-1/2'' square.