HITACHI SUZUKI is a tinware brand developed by casting foundry Sawahata Seisakusho in Ibaraki, Japan. From sand casting through surface finish, the artisans carefully hand-craft items one by one, and this creates unique sand patterns and signature features that make each piece one-of-a-kind. The Siranami Tumbler is drinking vessel casted entirely out of tin. With its weight, fit and iced sensation of tin on the lips, the tumbler makes every drinking experience a luxurious one.