Tesoro 12.25" x 12.25" Vanguard Dot Mounted Glass 2" MosaicTesoro Vanguard 12. 25" x 12. 25" Dot Mounted Glass 2" Mosaic offers a distinct visual effect with its unique mounting style, often allowing for slightly thicker grout lines for a traditional feel. This dot mounted 2 inch glass mosaic provides the same stunning reflection and color as the Vanguard line, ideal for unique wall and backsplash designs. The Tesoro Vanguard glass is a classic option with a vibrant finish.