Colors of the Sky. Aika x Edo Glass These are Edo glass vessels made by a kiln certified by Tokyo's Traditional Craftsmen. The beautiful gradation of this Japanese glass is perfect for sweets and fruits. It is also recommended for use as a side plate or saucer. 【Material】 Glass 【Size】 Diameter 15 x Height 2.5cm 【Country of Origin】 Made in Tokyo 【Care Instructions】 Microwave: ✕ Dishwasher: ✕ Oven: ✕ As these are handmade glass products, there may be slight variations in shape, dimensions, weight, capacity, and color mixing. Please understand this beforehand.