Premium 350ml/500ml Custom Vacuum Flask – Ultimate Durability & Style
High-grade 18/8 stainless steel inner & outer walls for rust-free longevity and safe liquid storage. Advanced double-wall vacuum insulation maintains temperature (hot/cold) for 12+ hours. Precision laser engraving for personalized branding or designs, ideal for corporate gifts, outdoor adventures, or daily commutes. Ergonomic leak-proof lid with one-touch open mechanism for effortless use. Matte finish for scratch resistance and sleek aesthetics. Bulk order discounts available – wholesale pricing for businesses, retailers, and event planners. Global shipping with guaranteed lowest rates.