Natura Opaque glass is similar to smalti at less than half the cost. It cuts easily, with both top and bottom surfaces usable. Natura glass has surface and colour variation which reflects light and shade variances within a colour code. Each tile is 15mm x 15mm x 4mm. Sheet size is 32.8cm x 32.8cm, with 400 tiles per sheet and 9.35 sheets per square metre. It is supplied paper-faced, which soaks off easily in water. Natura opaque glass is available in full sheet, 1/2 sheet (200pcs, 32.8cm x 16.4cm), 1/4 sheet (100pcs, 16.4cm x 16.4cm), and 1/8 sheet (50pcs, 16.4cm x 8.2cm) quantities.