Stainless Steel Thermal Flask 4.3L 5.3L Large Capacity Insulated Beverage Container Outdoor Travel Custom Logo OEM

Stainless Steel Thermal Flask 4.3L 5.3L Large Capacity Insulated Beverage Container Outdoor Travel Custom Logo OEM. Zero Plastic Construction: 100% stainless steel body and lid with no plastic contact for safer, odor-free drinking. Magnetic Leak-Proof Lid: Features a secure magnetic lock system and food-grade sealing ring to prevent spills. Built-In Stainless Filter: Integrated fine-hole filter separates tea leaves or residues for smooth, residue-free drinking. Large Capacity Options: Available in 4.3L, 5.3L, and 128oz sizes to support long-duration and group hydration. Heavy Duty Durability: Scratch-resistant powder coating and thickened rim designed for construction and outdoor use. Custom Logo OEM/ODM: Supports custom logo engraving, printing, and full ODM design services for brand differentiation. Eco-Friendly Material: Made from food-grade 304 stainless steel, BPA-free, and fully recyclable for sustainable use. Easy Cleaning Design: Wide mouth and electrolytic polished interior allow quick cleaning and prevent residue buildup.