This personalized double wall vacuum insulated flask set is smart and effective way of carrying your favorite beverages while you are on the go.Thanks to its vacuum insulated mechanism, it can keep the beverage warm or cold for hours at a stretch. Both its interior and exterior surfaces have been fabricated using food grade 304 stainless steel, making it rust-proof & corrosion free.The fact that this flask has a leak-proof body makes it extremely useful. This portable flask not only ticks the box of functionality but also has a stylish design. It features a fine matte finish on its exterior surface and comes with 2 additional ergonomically designed cup that can be used to sip the beverage while you are on the go. Personalized Permanently With Laser Engraving