“Tyeso 500 ml Double‑Wall Direct‑Drink Insulated Coffee Mug – your perfect on-the-go companion. Crafted from premium 304 stainless steel with vacuum-sealed, double-layer walls, this sleek mug keeps hot coffee warm for up to 6 hours and chilled beverages cold for around 12 hours, thanks to its robust insulation and silicone-sealed lid     Featuring a wide-mouth opening for easy direct sipping, convenient brewing, and effortless cleaning, plus a hidden handle that tucks neatly against the lid, this mug blends minimalist design with thoughtful functionality   The anti-slip base keeps it steady on desks or car cup holders, while its BPA-free, food-safe materials provide peace of mind on every sip .”