PRICES MAY VARY. PREMIUM 18/8 STAINLESS STEEL: Our tumbler is crafted with high-quality 18/8 food grade stainless steel, ensuring its durability, sturdiness, and resistance to odors. This premium material guarantees a safe and clean drinking experience. EXTENDED COLD AND HOT RETENTION: Experience long-lasting temperature control with our tumbler. With its double-wall vacuum insulation, it keeps your drinks ice-cold for up to 30 hours and steaming hot for up to 12 hours, allowing you to enjoy…