This Design for Living Set of 6 Double Walled Iced Beverage Cups with Straws features double-walled construction that reduces condensation while keeping drinks cooler longer. Each cup has a secure screw-on top and drinking straw to help prevent messes when you¿re on the go. Cups are reusable, food safe, and BPA-free. Made of Tritan plastic. Each cup holds 16 ounces. Set includes 6 cups in assorted colors. Dishwasher safe.