The 450ml cone shape polymer tumbler is a classic and popular size for gifts or personal use. Through Dye sublimation, pictures can be printed on its outer shell surface in a full size area by imprinting with HSB, with high-gloss finish and uniform color. Also, it has certain heat insulation, which can keep drinks hotter or colder than an average. This double wall tumbler is a salable product in sublimation, owing to the features of being unbreakable and portable. Due to the preciseness of polymer manufacturing, SUN-FLY’s polymer tumbler controls high accuracy of product model to make every corner of this double wall tumbler exactly perfect, which is strictly controlled on safety issue with standard of FDA, EU, CA65, etc.