Premium Stainless Steel Vacuum Flask Tumbler

Double-Wall Insulation
– Advanced 18/8 stainless steel construction with vacuum-sealed technology maintains beverages hot (12h) or cold (24h) for extended outdoor use.
Large Capacity & Portability
– Generous 500ml/750ml options fit standard cup holders, ideal for hiking, camping, gym, or daily commutes with leak-proof screw lid.
Rugged & Stylish Design
– Brushed finish resists scratches, sweat-proof coating, and ergonomic grip for comfortable handling during sports or travel.
Safe & Odor-Free
– Food-grade 304 stainless steel interior prevents rust and flavor transfer, BPA-free materials for health-conscious users.
Multi-Scenario Essential
– Perfect for athletes, travelers, and office professionals seeking durable, high-performance hydration with easy one-hand operation.
Wholesale Advantage
– Direct factory pricing, bulk order discounts, and global shipping for retailers stocking premium drinkware.