Kooshty Luca Stainless Steel & Plastic Double-Wall Tumbler – 350mltaking your hot beverage with you gets better and better with this double wall reusable coffee tumbler. It has a matte plastic outer wall, with a food grade stainless steel inner, to keep your drinks hotter for longer. The secure screw on lid has a drinking port with a cap which can be closed when youre on the move, and popped open when you wish to sip from it. the finger loop helps to keep the rest of your hand free for carrying other things, like