These personalized 40oz engraved tumblers make the perfect gift for Birthdays, bachelorette parties, or bridal parties. Designed with double-wall, vacuum-insulated construction, they provide exceptional heat and cold retention. Choose from a variety of beautiful full-wrap designs to create a truly one-of-a-kind cup! -- 40oz tumbler comes with slide lid with clear straw / Flip Lid -- Stays Cold 24+ hours & Warm 8 hours, the stainless steel, powder coated, double wall vacuum insulated -- Not recom