This is a glass material for sandblasting, with an inner layer. Lapis lazuli, blue base The color is beautiful even if used as is. Height: Approximately 11cm Diameter: Approximately 7.5cm The price is for one piece, but we have stock and can accommodate up to 5 pieces. For additional pieces, we will recalculate the price and create a dedicated page. Each piece is handmade by a craftsman, so there may be variations such as uneven layering, bubbles, and small scratches. There are also differences in color density and glass thickness.