Zak Designs Flux Khaki Mug, Set of 4 Set of 4 Flux 21-ounce mugs by Zak Designs Crafted of durable, heavyweight ironstone with glossy glaze Flared lip on rim and asymmetrical sides create playful modern look Available in several earthy, urban-chic tones Dishwasher- and microwave-safe; oven-to-table