vacuum high quality s/s vacuum flask, thermos with a filter. capacity:400ml.any color are avail double wall vacuum mug, vacuum flask,thermos mode no.:LL1XScapacity: 260ml/350ml/400ml/450mlProduct Feature:1)Material: inner 18/8 (food grade material),outer 18/0 stainless steel2)color available: any color ,pls check picture for your reference3)function:double wall stainless steel ,vacuum . keep warm ...