Designed by Kinto. KRONOS makes drinks look like they are floating in air with a double wall structure. The ring supports your fingers for easy gripping, and the cup has an ideal angle for drinking. With thermal insulated construction, the cups maintain the temperature of hot and cold drinks for a long time. The items can also be perfect for serving desserts or appetizers. The cup measures approx. 4.8" H x 3.6" W x 3" D. The double wall insulation keeps drinks hot or cold longer, and the ring ensures easy grip and a stylish design. Pair with other Kronos mugs from KINTO for a complete look. Design in Japan. Material: heat-resistant glass. Microwave-safe. Dishwasher-safe. CAUTION: AVOID sudden changes in temperature as they may cause the glass to break or shatter. If adding ice, do so slowly to protect the glass from possible breakage. The shape and capacity of the glasses may vary slightly due to the nature of the manufacturing process.