These stained glass can be cut into small irregular tiles quickly and easily with glass Cutter, but for long straight strips and square tiles and curved shapes, you can use the pistol-grip cutter and running pliers. Stained glass can have sharper edges than regular molded glass mosaic tile, so care must be used in cutting, handling, and grouting. <br><br> This assortment may contain Opalescent, Cathedral, Streaky, or Opalumes. Various textures<br> May or may not contain duplicate color sheets<br> Variety packs will vary and may not be exactly as shown but each pack will have a variety of colors <br> Stained glass varies in color and pattern by a sheet. Do not order if you cannot tolerate variation.