INFUSER To Go - Cold Drink Fruit Infuser Tumbler - Double Wall Acrylic - 20oz. Capacity - Blue Create your own flavored infusion of fruits, vegetables, natural ingredients, and more. BPA Free Acrylic Construction of Cup Housing, Removable Infuser Cage, & Screw on Lid with rubber gasket seal. Double wall insulation keeps your cold drink while minimizing condensation "sweat" on the outside of the cup. Matching Color Reusable straw with stopper included, tumbler lid will accept standard 8mm size straws. This tumbler can be used for cold flavor infusions. Hand wash. Not for microwave or freeezer use.