Swipe your old beverage bottle for this amazing flask by WONDERCHEF. Crafted with the finest material, the flask has the highest stainless steel grade that lasts a lifetime and never rusts. The stainless steel cap ensures the beverage lasts longer. The vacuum insulation keeps your beverages fresh for a long time. The flask is also spill-proof and leak-proof. The compact size of the flask lets you conveniently carry it everywhere. Use it every day for a consistent hydration routine.