Size: Approximately 10mm Height: Approximately 1.5mm (Slightly thinner at the edges, slightly thicker in the center) Total: 50 pieces + a few extra Due to the natural materials, the shape, color, and size will vary. They are prone to scratches, so there may be some. The color may differ slightly from the photos. Although unused, they have been stored for a while. Please understand this before purchasing. In stock.