RotaWrap (TM) - Add some bright fun to your next advertising campaign with the help of this 16 oz. Double Wall Insulated Tumbler! It features a durable colorful stainless steel exterior in your choice of three product colors, a BPA free plastic interior and a screw on lid. It measures 7 3/8" x 3 5/8" diameter with a contoured base that fits into most cup holders. This is an excellent marketing tool that can be handed out at almost any promotional event to spread the word about your brand! Perry.