Premium 18oz Leak-Proof Stainless Steel Vacuum Flask

Industrial-Grade Double Wall Construction
Crafted with high-quality 304 stainless steel for superior durability and temperature retention. Inner/outer walls feature precision-welded vacuum insulation to keep beverages hot (12hrs) or cold (24hrs).
Military-Grade Leakproof Seal
Patented threaded lid with silicone gasket ensures 100% spill-proof performance, ideal for active lifestyles—gym, hiking, office, or travel.
Custom Branding Ready
Smooth metal surface accepts laser engraving or color printing for personalized logos, perfect for corporate gifts or promotional merchandise.
Ergonomic Design & Versatile Use
Slim profile fits car cup holders; wide mouth accommodates ice cubes. Matte finish resists scratches and fingerprint smudges.
Bulk Wholesale Advantage
Direct factory pricing with MOQ flexibility. Globally compliant (FDA, LFGB). Custom packaging available. *Global shipping. Unbeatable bulk rates. All-in-one sourcing solution.*