Premium Stainless Steel Thermos Flask with Advanced Vacuum Insulation

Dual-layer 18/8 stainless steel construction ensures superior durability and rust resistance, keeping drinks hot for 24 hours or cold for 48 hours. High-grade copper plating between layers enhances thermal retention by 30% compared to standard flasks.

Leak-proof twist-lock lid with silicone gasket prevents spills, ideal for outdoor adventures, office commutes, or gym sessions. Ergonomic curved design fits car cup holders and backpack pockets seamlessly.

Commercial-grade powder coating resists scratches and fingerprints, maintaining a sleek appearance. Wide 2.5-inch mouth allows easy ice insertion and thorough cleaning. FDA-approved food-safe materials guarantee chemical-free usage.

Bulk purchase optimized – wholesale pricing available for 500+ units with custom branding options. Ships globally with OEM/ODM support for retailers and distributors.