Premium 304 Stainless Steel Construction - High-grade food-safe material ensures durability, corrosion resistance and zero metallic taste for pure drinking experience

Advanced Vacuum Insulation Technology - Maintains beverage temperature for 12+ hours (hot) or 24+ hours (cold) with double-walled copper lining for maximum efficiency

Multi-Capacity Options - Versatile 350ML/550ML/750ML/1000ML sizes cater to different hydration needs from office use to outdoor adventures

Ergonomic Design Features - Leak-proof screw lid with silicone gasket, wide mouth for easy cleaning, and sweat-proof exterior for secure grip

Rugged Outdoor Performance - Oxidation-resistant stainless steel withstands extreme temperatures (-20°C to 120°C) perfect for hiking, camping or construction sites

Professional-Grade Finish - Brushed metal surface resists fingerprints and scratches with polished rim for premium aesthetic

Commercial Bulk Advantage - Factory-direct wholesale pricing with MOQ flexibility for gyms, hotels, corporate gifts or retail resale

Space-Saving Base - Stabilized flat bottom fits standard cup holders and prevents tipping in vehicles or workstations

BPA-Free Safety Certification - Meets international food contact standards for chemical-free hydration solution