Tiles are cut from various different colors made by the manufacturer of Van Gogh glass including both the solid and mixed colors. Van Gogh glass colors will not fade over time. Tiles are smooth and glossy on the front side; lightly textured on the back side. Size: 1/2″ x 1/2″ x 1/8″ thick. Please note that these are hand cut tiles and slight variations are normal and should be expected. 100 tiles per package.