Premium 18/8 Stainless Steel Construction - Corrosion-resistant inner wall with medical-grade 304 stainless steel for pure taste and odor-free hydration

Advanced Vacuum Insulation Technology - Double-wall design maintains temperature for 12 hours (hot) or 24 hours (cold), outperforming industry standards

Laser-Sealed Leakproof Structure - Precision welding creates airtight seal to prevent spills in bags or during outdoor activities

Ergonomic Slim Profile - 8.5cm diameter fits standard cup holders and backpack pockets for commuters and travelers

Mirror-Finished Exterior - CNC-polished surface resists fingerprints and scratches while maintaining professional aesthetics

Multi-Scene Versatility - Ideal for office meetings, camping trips, gym sessions, and business travel with 500ml capacity

Safety-Certified Components - BPA-free plastic lid with silicone gasket ensures drinking safety at any temperature

Commercial-Grade Durability - Military-standard drop test passed with reinforced base to withstand daily industrial use

One-Touch Open Mechanism - Thumb-operated flip lid allows quick access with hygienic单手operation

Wholesale-Optimized Packaging - Stackable design with bulk packaging options reduces shipping costs for large orders