... &color is welcome 4.Easy to carry fashion features1.Material a:double walls stainless steel b:stainless steel 304 inner and 201 outter ... stay in suitable place.7.Usage:Best Choice for household use to hold liquid temperature,especially for water,tea and coffee.8 ... well as sales,we have products,mainly such as stainless steel vacuum flask, coffee pot, mug, auto mug, sports bottle,etc ...