✅ SUPERIOR QUALITY: We designed this Insulated tumbler whiskey glass specifically for whiskey enthusiasts. We aimed to use the best material and applying the ergonomic design in mind. This insulated whiskey glass is made of stainless steel 316 (18/10) grade that is a stable and suitable material perfect for Scotch, Bourbon and Old Fashion Cocktails, best in the class. ✅ SUPERIOR INSULATION: It is double walled vacuum insulated with additional copper coating layer to achieve the best insulation performance. It keeps your ice cube or sphere melting slow to maintain the best taste for your whiskey, no-sweat. Ideal for friends/loved ones that enjoy Manhattans, whisky, scotch, bourbon, rye, cocktail or is a mixology enthusiast. ✅ KEY FEATURES +CLASSIC DESIGN: Polished finish inner provides no stain, no residual smell, wipe to clean; Round inner bottom design that easy to reach to clean, Easy to open with extended tab on the lid that fits with your finger grip; Slip-resistant foot pad...