Navy Seals Coffee Mug for US Navy Seals or fans of the Navy Seals. These Navy Coffee Mugs are ceramic and are 15 ounces. These Navy Mugs make great Navy Gifts and can be personalized with a Sailor’s name, unit name, insignia, etc for an additional fee. We heat press our mugs in-house to ensure you get a Navy Mug you will be proud to use or display. We ship all orders within 24 hours (weekends and holidays excluded).