Cello offers an unmatched range of double walled insulated stainless-steel body. Today, over 6 million families in India and millions around the world have made Cello an integral part of their lives. Our unique double wall vacuum insulation Stainless Steel Flasks protects temperature for hours. Cold drinks stay icy cold and hot drinks stay piping hot so you can stay refreshed for any adventure. Perfect for one-handed hydrating on the go! Our leak-proof lid is also insulated to protect drink temperature even longer and keep the lid sweat-free so you can stash it wherever.