Features low profile flip n’ sip threaded leak-resistant tumbler lid. Constructed from 304 food grade stainless steel. Double wall vacuum insulated construction. Copper lining improves temperature control. Dual-threaded Tritan lid for left and right handed drinking. 2-piece straw comes apart for easy cleaning and storing. Built-in coaster protects surfaces. Extra large opening for easy cleaning. Fits most cup holders. Each drinkware ships in individual blank kraft box.