Culver Cool Cup Double Walled Insulated Tall Tumbler with Lid and Straw, 20-Ounce, Smoke, Set of 4 Culver 20-Ounce Cool Cup Double Walled Insulated Tall Tumbler With Lid and Straw Smoke Set of 4 BPA free plastic construction Hand Wash Only, Not Safe In Microwave Double walled to prolong beverage temperature Perfect for hot and cold drinks; Comes with Lid and Straw