Bisazza Blends 'Vetri Blends' Oxford Blends consist of variations of 20 x 20 mm Italian Glass Mosaic Tiles to create stunning colour combinations. Oxford contains: GM 20.68, VTC 20.68 and VTC 20.72 Tiles. Order Module: 2.07 sq metres. Price is per square metre. Stucco/Grout Fillgel Plus - 8806 Verde Olivo. We would always recommend Bisazza mosaic tiles are bought with the optional installation kit.