This large 20 Oz. 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 cup holders and features a clear lid. Available in 16 colors and powder coated for durable beauty it can be personalized with a logo, monogram or other graphics,. This awesome tumbler makes a great incentive, promotional item or personalized gift.