18 oz Double-Wall insulated travel coffee cup with sip through Double-wall insulation maintains a 40 degree difference between the contents and the outside, so it can be used safely without a protective sleeve Molded from reusable and recyclable Polypropylene BPA-free Ships assembled Fits most auto cup holders, is top rack dishwasher safe and is not recommended for use in a microwave oven.Optional Straw Available Add 0.20v unit