This large 30 oz. white stainless steel tumbler features double wall vacuum insulation for 2X the heat and cold retention of a traditional travel mug. The bottom is tapered with a unique "ringneck" design and will fit most standard cup holders. The mug can be personalized in full color with a logo, monogram or other graphics, and comes with a clear plastic lid. This awesome tumbler makes a great incentive, promotional item or personalized gift.