Like looking into an old photo, SEPIA evokes a sense of nostalgia and comfort. The square-shaped handles of cups and the gently curving form of tumblers allow you a firm grip. Made of heat-resistant glass, items can be used for hot and cold drinks.Use only for its intended purposes. Do not overheat in the microwave or heat without water. Wash with care. Do not use abrasive cleansers or steel wool. Sudden temperature change may break or shatter the product. While the glass is hot, do not pour cold liquids into it and do not place it on a wet cloth or a wet surface. Product size and shape varies in each item due to manufacturing process.