Crystal glass mosaic tiles are colourful and a beautiful tile to mosaic with. This tile is made from molded clear glass which means that it has rounded soft edges and a completely flat face. The colour is fused to be bottom of the tile which creates a lovely depth to the tile. Cut easily with wheeled nippers they can be used indoors and out, and are frost and fade resistant. Each packet contains 100 gms (approximately 28 tiles) and is 20 x 20 cm square and 4 mm thick (the same thickness as a standard glass tile).