Bisazza Blends 'Vetri Blends' Salvador Blends consist of variations of 20 x 20 mm Italian Glass Mosaic Tiles to create stunning colour combinations. Salvador contains: VTC 20.05, VTC 20.22 and VTC 20.87 Tiles. Order Module: 2.07 sq metres. Price is per square metre. Stucco/Grout Fillgel Plus - 7704 Grigio Azzurro. We would always recommend Bisazza mosaic tiles are bought with the optional installation kit.