Premium 304 Stainless Steel Construction - Food-grade inner wall resists rust and maintains beverage purity for years. Military-grade outer shell withstands daily wear with brushed metallic finish.

Advanced Double-Wall Vacuum Insulation - Keeps drinks hot for 12+ hours or cold for 24+ hours with 100% temperature retention technology. No condensation or external sweating.

Ergonomic Tactile Design - Curved bullet shape fits car cup holders and backpacks seamlessly. Leak-proof screw lid with reinforced silicone gasket for shake-proof portability.

Multi-Scene Versatility - Ideal for construction sites (drop-resistant), office commutes (sleek professionalism), and outdoor adventures (ultra-lightweight at 380g).

Wholesale-Optimized Packaging - Ships flat to save 40% logistics space. Bulk orders receive customized branding options for corporate gifting or retail resale.

Global Compliance - Passed FDA, LFGB, and SGS safety tests. BPA-free materials ensure chemical-free drinking experience worldwide.