Premium 40oz Stainless Steel Vacuum Flask – Ultimate Insulation & Durability

High-performance double-wall vacuum insulation maintains beverages hot (12+ hours) or cold (24+ hours) with 18/8 food-grade stainless steel interior, ensuring zero flavor transfer.

Military-grade exterior resists dents and corrosion, featuring a sweat-free design with precision-welded seams for leakproof performance during travel, hiking, or office use.

Ergonomic belly shape provides superior grip, paired with a wide mouth for easy filling/cleaning. Rust-proof stainless steel lid with silicone gasket enhances hygiene and spill resistance.

BPA-free construction meets FDA standards, suitable for coffee, tea, soups, or smoothies. Bulk purchase optimized for commercial kitchens, outdoor retailers, and hospitality businesses seeking wholesale-grade quality.

Global wholesale pricing with MOQ flexibility – unmatched value for large-volume buyers.