SpectraCal (TM) - Don't let their minds wander from your brand when you include this 16 oz. Perfect Temperature Zone Tumbler in your next marketing campaign! The patented technology allows them to enjoy every sip at optimal temperature. It features double wall insulation and a one-position sip mode selector screw on lid. It measures 7 1/2" x 3 1/8" diameter and the contoured base with a non-skid bottom fits in most cup holders. Simply add your advertising information and get ready to see your brand everywhere you go! Patent pending.