Details Kinto believes in balance between usability and aesthetics, and works to create products that inspire and give fulfillment with every touch and use. The UNITEA unimug is an artistically crafted, two-in-one tea strainer and glass mug, perfect for the tea enthusiast. Holds 12 oz. of liquid 3.6" H x 4.8" W Made of heat-resistant glass. Maximum temperature differential: 120 / 248 Lid and strainer are made of copolyester. Upper temperature tolerance: 100 / 212 Cup is microwave safe, do not microwave lid or strainer. Do not overheat in the microwave or heat without water. Sudden temperature change may break or shatter the product. Dishwasher safe in the top-rack only. Wash with care. Do not use abrasive cleansers or steel wool. Do not place near open flames. Do not use the lid or stainer with citrus fruits as it may deteriorate due to terpene contained in the fruit&';s skin. Made responsibly in Japan