USURAI ROCKS GLASS 355ML 8D X 8CM H

Functional glass tumblers combine “Delicate”and“Strong”features. From Japan to the world, practical glass using a new technology named“Full Surface Ion Toughening“. “USURAI” was developed based on the concept of developing practical products that are thin, beautiful, and have high functionality. “USURAI” has been developed and commercialized over a period of about eight months and it has three main unique features. TOTAL THIN WALL PRODUCTS: By realizing an unprecedented 1.1 mm thick mouth with smooth cutting, the glass looks nice and delicate. STRENGTH IMPROVEMENT: By using an unprecedented technology called 'Full Surface Ion Toughening“, the strength of the product has improved, making it more resistant to cracking and scratching. In addition, cleaning with a washing machine was allowed. WEIGHT REDUCTION: Reduced weight by about 33% compared with conventional products, making handling relatively simple.