Toyo-Sasaki, the top glass manufacturer in Japan, created the Hard Strong (HS) glass-strengthening technology in 1967. Applied to the top portion of each glass, this technology toughens and tempers the glass for durability and safety.
Read more about the Hard Strong technology here.
● 10.5 oz; 3.5” H x 3.5” D
● Hard Strong technology
● Dishwasher safe
● Made in Japan