Double-Wall Insulation : Our multi-functional thermos tumbler adopts double-layer vacuum insulation, which can keep your beverages warm for up to 3 hours or refrigerated for up to 9 hours
Fashionable and Reusable: The 12oz wine tumbler bulk are made of 18/8 food grade stainless steel with non-slip frosted coating,no metallic taste. It has an eye-catching and fashionable appearance and is more solid and safer than other ordinary glasses. It is equipped with a BPA-free lid And the reusable plastic straw can be selectively used for more drinks
Multi-Purpose : wine, tea, juice, champagne, beverages, coffee , Water, etc