The Stack Mug has a 13 oz. capacity and are stackable, as the name implies. The bottoms of the mugs sit perfectly inside each other for easy, and stable storage in your cupboard. Whether you stack them or not, they have a great retro style design which features an attractive metallic sheen for an undeniable great look.Model #AW-MUG-OK-STACK-METALLIC
Note: This product is not microwave safe. Hand wash only. Please allow up to 2-4 weeks for shipping.