Stone Deals Mosaic Mesh for Back Mounted Tile, 38 Inches Wide by 48 Inches Long Our fiberglass mesh is strong enough for any tile or tesserae you care to use, including glass, porcelain, ceramic, stone, quartzite or cement. Material: Fiberglass Mesh which is embedded into a layer of Basecoat which reinforces the product and adds substantial strength Size: 38 inches x 48 inches, 4.5oz Perfect for larger projects, Interior or Exterior use, Easy to use. Alkali resistant, Fire retardent. Flexible Fiberglass Mesh that can also be used to prevent cracking in concrete.