Custom Mugs, Insulated Cork Bottom Mug - Ceramic & Eco-Friendly, Enjoy a steaming cup of coffee, tea or cocoa in our trendy, custom cork bottom 12 oz mug. Made of ceramic with an eco friendly cork bottom and an eye-catching contrast, this mug provides a unique, stylish, retail inspired look. Hand wash only. ... #DRK490 $9.47/each.
