INFUSER To Go - Cold Drink Fruit Infuser Tumbler - Single Wall Acrylic - 19oz. 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 silicone gasket seal. 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.