Sammons Preston Clear Insulated Mug, 12 Ounce Drinking Cup and Mug with Easy to Read Measurement Marks, Air Insulation for Hot and Cold Liquids with Secure Lid and Handle Convenient drinking cup is ideal for children, adults, elderly, and handicapped to make sipping and drinking easier Capable of holding up to 12 ounces of hot or cold liquid beverages The clear cup offers metric and imperial measurements in milliliters and ounces for easy to read tracking of water consumption Features air insulation between the outer and inner parts to keep drinks at the correct temperature for a long duration Dishwasher safe up to 180f, not microwaveable