Premium 500ml Stainless Steel Vacuum Flask – Ultimate Insulation & Portability
High-grade 304 stainless steel inner wall ensures 24-hour temperature retention for both hot (12h) and cold (24h) beverages, free from BPA and odors. Advanced double-wall vacuum insulation technology minimizes heat transfer, maintaining optimal drink temperature during travel, gym sessions, or outdoor adventures. Ergonomic portable lid with one-touch open design for spill-proof convenience, featuring a smooth silicone seal for effortless cleaning and leak resistance. Sleek brushed finish with scratch-resistant coating, combining durability with modern aesthetics for office, hiking, or daily commutes. Lightweight yet sturdy construction (380g) fits standard cup holders, ideal for bulk orders with wholesale pricing advantages. Certified FDA & LFGB compliant, backed by a 1-year warranty against manufacturing defects.