This is a HS Hard Strong glass from Toyo Sasaki Glass, with a reinforced rim. Made of tempered glass, it's durable and safe to use thanks to its reinforced rim. It has a textured design. [Brand] Toyo Sasaki Glass Honkaku Shochu Doraku Ekubo Long Tumbler 490ml [Material] Tempered Glass [Features] Rim-reinforced [Quantity] 6 pieces This item is new and unused. I am selling it to organize my collection. Thank you.