United States of America Thin Blue Line Coffee Mug for Police Officers and supporters of Law Enforcement. This United States Police mug features the outline of the USA with the Thin Blue Line. The Thin Blue Line represents the Law Enforcement Officers who protect the United States of America. US Thin Blue Line Police Coffee Mug is made of solid ceramic and holds up to 15 ounces of liquid. Mug is microwavable and dishwasher safe. USA Thin Blue Line Coffee Mug would make a great police gift for any federal police officer, police family member, US Police Supporter and fans of Thin Blue Line gifts and police gifts. All of our police products can be customized for an additional fee. Email us for details.