Deitybless wine tumbler cup 30 oz double wall vacuum stemless insulated travel tumbler, insulated coffee mug for wine, cocktail, champagne, beer, water BPA , Non-Toxic & Safe Sweat Cup, keeping your hands safe & dry RUST PROOF 304 18/8 Food Grade Stainless Steel construction Double Wall Vacuum Thermal Insulation Powder Coated finish for increased durability Removable ABS Lid, splash-proof Good insulation wine cup: The stemless wine glasses with insulated double-wall technology to keep hot and cold longer, the advanced structure keeps drinks cold for more than 9 hours and hot more than 3 hours. More other uses: This wine glass set can be as champagne flute, coffee mugs or water tumblers for hiking, picnics, cars, outdoor, poolside, barbecues or everyday beverage needs. Widely application: Nice appearance drink-ware set is suitable for wine, coffee, water, champagne, beer as bar supplies or household, these beautiful stainless steel wine glasses also can be applied as good gifts for wedding parties, birthday presents or business gifts. Warm notice: Keep children away from the wine tumbler when it is filled with hot liquid. Do not soak them in soapy water for hours in case of peeling.