Hydrate in style! Travel Mug with this Colorbright ADPi DESIGN. 20oz Stainless Steel skinny tumbler with vacuum insulation technology and BPA free Slider Lid. Great for all kind of occasions and suitable use for all ages. This slim tumbler is powder coated which gives you more solid grip when holding your beverage. Vacuum insulation: modern tumblers are double walled and vacuum insulated, by the pool, in your car, wherever - mini tumbler keeps your favorite drinks icy cold or piping hot for hours, also combined with a splash resistant lid and you get additional thermal control