Premium Vacuum Insulated Flask: 34oz/1 Quart Capacity Triple-walled (double wall vacuum insulation with copper coating) construction maintains beverage temperature for up to 24 hours. Crafted from 18/8 stainless steel, ensuring durability, rust resistance, and food-grade safety. BPA-free design guarantees product safety for all beverages. Advanced Thermal Technology: Double-wall vacuum insulation creates an effective thermal barrier, preventing external temperature from affecting internal contents. The leak-proof design ensures secure transportation while the flip lid functions as both a drinking mechanism and cup, compatible with most cup holders for convenient on-the-go use. Versatile Applications: Ideal for tea merchants and exporters seeking premium beverage storage solutions. Perfect for maintaining optimal tea temperatures during sampling, transportation, or retail display. Suitable for various settings including offices, hospitality, outdoor events, and premium gift packaging. User-Friendly Design: Easy to clean with dishwasher-safe construction. Minimal parts simplify maintenance while storing open prevents odor retention. The sleek, ergonomic design fits seamlessly into backpacks, totes, and comes with an optional carry bag for enhanced portability. Professional Quality: Engineered for commercial use, this flask offers exceptional temperature retention and durability, making it an excellent value addition for premium tea brands and hospitality businesses seeking to enhance their customer experience.zq20260205091758