Glass Pool Mosaic Tile Ridge Blue Blend for the swimming pool, Jacuzzi, water feature, spas, kitchen backsplash, bathroom, and shower walls. This glass mosaic tile is mesh backing on a 12-inch by 12-inch fiberglass sheet for an easy installation. Each tile chip is 6mm thick. Its bright and glossy finish combined with some tiles having a ridged texture, create a focal point, providing a great design aesthetic.