Premium 30 oz stainless steel tumbler with advanced vacuum insulation technology for 24-hour temperature retention. Heavy-duty 18/8 stainless steel construction resists rust and odors while maintaining beverage purity. Double-wall design prevents condensation and exterior sweating. Ergonomic push-on lid with slide closure ensures leakproof performance during commutes or workouts. Laser-sealed base eliminates heat transfer for comfortable handling. Mirror-polished exterior with scratch-resistant finish suits professional and casual settings. Ideal for hot coffee, iced drinks, or water during travel, gym sessions, or office use. Commercial-grade durability withstands daily use in hospitality, healthcare, or outdoor industries. BPA-free materials meet international food safety standards. Optimized base diameter fits most vehicle cup holders.