Northwind 6 Piece Melamine Non-Slip Coffee Mug Set Set of six Northwind series melamine coffee mugs. This set ensures everyone onboard can enjoy their morning coffee without worrying about their mugs sliding about. These nautical mugs feature a non-slip ring on the base to keep them in place on the table. Northwind series nautical dishware feature white and blue tones with a simple and elegant compass rose design. Features: Includes six mugs Simple and elegant Northwind design BRP-free white melamine construction Non slip ring on base Melamine products are designed for eating, not cooking. These dishes are not for use in the oven or the microwave, but are suitable for dishwashers. To preserve their shine, avoid using abrasive detergents. To prevent stains caused by tea or coffee, it’s recommended that you wash the cups immediately after use.