Tervis Tumblers insulated plastic mugs are great for enjoying any hot or cold beverage... Plus, Tervis INsulated Mugs are handy for heating chilli and soup in the microwave because the outside surface and handle stay warm, not hot, to the touch. Crafted of virtually unbreakable polycarbonate plastic, Tervis InsulatedMugs signature double wall insulated construction is virtually condensation-proof, and keeps drinks hot or cold much longer than ordinary glass or plastic cups. Tervis Mugs are an ideal plastic mug for any bar, table, party or buffet - indoors or out! Tervis Tumblers insulated plastic mugs measure 4-7/8 tall, and are 3-2.2cm wide on top, 3-0.6cm wide on bottom. Dishwasher-safe polycarbonate plastic is also microwave reheat-safe; up to 2 minutes is recommended.