Grid Gear 30 Ounce Tumbler, Double Wall Vacuum Insulated Stainless Steel, Grid Gear Nomad (30 oz. - Slide-Close Lid) Double wall vacuum insulation means drinks stay cold longer The perfect mug for hot or cold coffee tea iced adult beverages or any other drink Removable label and no logo on the tumbler, so you can customize with your own stickers or keep it clean and minimal Double wall insulation means you'll never feel the heat or chill of your drink when holding your tumbler 18/8 304 Kitchen-grade stainless steel lasts forever and doesn't change the taste of your beverage