316 Surgical-Grade Stainless Steel Coffee Mug – Your 12-Hour Brew Guardian (1) Unmatched temperature locking ™ → Keep coffee piping hot for 12 hours (or ice-cold for 24 hours) → Three-layer vacuum insulation creates a temperature fortress 💡 No more lukewarm disappointment – just barista-level warmth sip after sip. (2) Pure taste, zero metal aftertaste → 316 medical grade stainless steel > food grade 304 → 100% rust and corrosion resistant (even against acidic coffee!) 🌱 Your coffee retains its flavor – without a hint of metallicness. (3) Designed for your coffee ritual
