Premium 750ml Vacuum Flask with Double Insulated Copper Core

High-grade 18/8 stainless steel interior ensures odor-free liquid storage and superior rust resistance. Copper-plated vacuum layer provides 24-hour temperature retention for both hot and cold beverages.

Ergonomic leak-proof lid features one-touch opening and precision silicone sealing ring for 100% spill protection. Mirror-finished exterior resists fingerprints with scratch-resistant brushed metal texture.

Ideal for outdoor adventures, office use, or home kitchen – maintains coffee at 70°C+ for 12 hours or keeps iced drinks chilled for 18+ hours. Food-safe materials meet FDA/CE standards without plastic taste contamination.

Commercial-grade durability withstands daily use with reinforced base anti-slip design. Wholesale bulk pricing available for gyms, hotels, or corporate gifts with custom branding options.