The Milton Thermo steel Flask is made up of 100% stainless steel and it has copper coating to give it an edge in the heat retention property. The design is leak proof; it is extremely sturdy and can be trusted with storing liquids without the fear of spilling. The stainless property keeps it rust-free and it looks new for a very long time. It is also easy to clean and does not require any special care. The only caution that you need to take with the product is that do not drop it, falling from a height it may get damaged due to its metal body, use mild detergent while cleaning it and keep the lid open when not in use. Milton Thermo steel Flask is the best solution to the problem of keeping your beverages at the temperature you desire. In summers when you want your drink to remain ice cold, or in the months of winter when you want hot tea, it maintains the temperature of the liquid at the same level you filled it with till the time of your consumption. Now you know how to keep your beverage cool/hot, spill proof, in your bag. Get this flask from @home.