Premium Double-Wall Stainless Steel Construction - 18/8 food-grade stainless steel inner & outer walls provide superior insulation, keeping beverages hot for 12 hours or cold for 24 hours with vacuum-sealed technology.

Precision CNC Machined Leakproof Lid - Aircraft-grade aluminum screw-on lid features silicone gasket and polished finish, ensuring 100% spill-proof performance for office commute or car travel.

Ergonomic Curved Design - 380ml/510ml capacity options with tapered grip zone and balanced weight distribution for comfortable one-handed use during meetings or outdoor activities.

Multi-Surface Powder Coating - Scratch-resistant matte exterior with electrostatic coating prevents fingerprints while offering superior heat insulation for direct hand-holding.

Professional-Grade Versatility - Compatible with standard car cup holders, fits under most office coffee machines, and dishwasher-safe for commercial kitchen use.