Premium 350ml stainless steel vacuum flask with genuine leather handle for effortless portability. Double-wall insulation maintains beverage temperature for 12 hours (hot) or 24 hours (cold). Precision-crafted 18/8 food-grade stainless steel interior resists rust and odors. Hand-stitched leather grip provides superior comfort and durability during travel. Seamless one-piece construction prevents leaks for worry-free transport in bags. Ideal for outdoor adventures, business travel, or daily commutes. Mirror-polished finish with scratch-resistant coating for lasting elegance. Ergonomic sip-through lid design enables easy one-handed operation. Custom engraving option available for corporate gifts or personalization. Commercial-grade thermal performance meets professional catering standards.