KINTO is a Japanese brand aspiring to create products that enrich your everyday life. High quality stainless steel helps to preserve the rich aroma and flavor of drinks. The smooth electro-polished interior prevents odors and stains, letting you maintain it clean and fresh. In addition to usability, material and texture support long-term use. Made of durable 18-8 stainless steel, the tumbler does not rust easily. The colored tumblers have a powder coat finish on the surface which prevents scratches.