Sum glass cold sake carafe (Blue) 300ml (japan import)

? Semi-Red Crystal products, which holds the beautiful gloss and transparency ? It is equipped serve with "lightness robustness of soda-lime" and "brightness, clarity", glass suitable for commercial, household luxury tableware ? I realize the curve and beautiful handmade exquisite balance of (handmade) only ? series was stocked with various items to match the dining table of the sum of the "sum glass"