This 360ml crystal tumbler set is designed for hospitality environments, bar service, catering operations, and retail distributors seeking durable, high‑clarity drinkware. Made from premium crystal glass, each tumbler offers excellent brilliance and transparency, enhancing beverage presentation for water, cocktails, whiskey, and soft drinks. The 6‑piece packaging supports efficient inventory management and bulk purchasing, while the robust construction ensures long‑term performance in high‑frequency commercial use. OEM/ODM services—including logo customization and private‑label packaging—are available for brand owners and wholesalers.