Premium 20oz Double Wall Vacuum Insulated Flask

High-grade 304 stainless steel construction ensures durability and rust resistance for long-term use. Advanced double-wall vacuum insulation maintains beverage temperature for 12 hours (hot) or 24 hours (cold). Precision laser welding eliminates leaks, while the polished mouth rim offers smooth drinking.

Ergonomic curved design fits car cup holders and backpack pockets. BPA-free materials guarantee safe drinking for outdoor sports, gym sessions, or office use. Customizable logo area (laser engraving compatible) for corporate gifts or team merchandise.

Commercial-grade thickness (0.4mm inner wall) outperforms retail versions. Bulk order discounts available for wholesalers—direct factory pricing with no middlemen. Ships globally with flexible OEM/ODM options.