Excellent previously owned condition Any Potter-head should have a great tumbler that shows their love for the books. This tumbler is constructed with a double-wall design for insulation to keep beverages at the optimal temperature. Plastic construction is durable. Double-wall insulation design prevents condensation and keeps cold drinks cold and hot drinks hot. Convenient double handle offers a steady grip. Microwave and dishwasher safe. Sized to fit most cup holders. Includes a lid to help prevent spills and leaks.