The 11 oz. Arlo Ceramic Tumbler with Bamboo Lid boasts a stylish matte glazed-top finish paired with a natural baked base. Its double-wall ceramic construction prevents exterior condensation. Featuring a spill-resistant, screw-on bamboo lid, it comes in a FSC certified natural gift box. Hand wash is recommended. Note that due to the clay's color, some mugs may vary. Caution with hot liquids. This microwave-safe product requires the lid to be removed before microwaving.