Toyo Sasaki Glass (TSG) is a renowned company in glass-making, founded in 1878 and merging with Sasaki Glass in 1957. TSG’s master craftsmen require rigorous training and at least 15 years of experience to be accepted by the Certified Traditional Japanese Craft-Masters, recognizing their expertise in traditional Japanese crafts.

TSG creates exclusive and durable glassware, including the widely used HS (Hard Strong) Series, awarded the prestigious Good Design Award for its exceptional design and functionality. The stackable tumblers in the HS Series are suitable for both food service establishments and home use due to their sturdy build.