Premium 1L Stainless Steel Insulated Flask

Industry-grade 304 stainless steel construction ensures 100% rustproof durability and superior temperature retention. Advanced double-wall vacuum insulation maintains drinks hot for 12+ hours or cold for 24+ hours. Precision laser-welded seams eliminate leakage, while the sweat-proof exterior prevents condensation.

Ergonomic screw-top lid features a reinforced silicone gasket for one-handed operation and drip-free pouring. Mirror-polished finish resists scratches and fingerprints. Ideal for outdoor adventures, office commutes, or gym hydration with its lightweight (380g) yet sturdy build.

BPA-free materials meet FDA/EC1935 standards. Fits most vehicle cup holders (7.5cm base diameter). Compatible with carbonated beverages—pressure-release design prevents buildup. Wholesale bulk pricing available for global distributors.