64oz Insulated Tumbler with Straw 316 Stainless Steel Ice Cup Giant Vacuum Flask for Car Cold Drinks

This 316 stainless steel giant tumbler is your ultimate hydration companion for daily life. With a massive 64oz capacity and a convenient straw lid, it delivers icy cold refreshment at home, in the office, or on the road. The medical-grade 316 stainless steel inner is more corrosion-resistant than standard 304, ensuring pure and safe drinking every time. The double-wall vacuum insulation technology provides exceptional cold retention, keeping ice solid for up to 12 hours, so you never have to worry about lukewarm drinks during summer trips. The leak-proof straw lid has been rigorously tested to prevent spills even when placed upside down in a car cup holder, and the non-slip silicone base ensures stability against tipping—making it an ideal companion for outdoor adventures. With a wide mouth for easy cleaning and ice loading, and an ergonomic grip for comfortable handling, this tumbler keeps your days filled with refreshing vitality.