VictoryStore.com Ceramic Mugs - Northern Illinois University, Plaid Coffee Mug, 15oz SCHOOL MUGS - Great Northern Illinois University mugs to use at your home, school or office to show everyone your school spirit. Let them know who your favorite school is! MUGS - This wonderful mug is 15 ounces and features our Northern Illinois University Plaid design, which is printed on both sides. Our designs are printed digitally in full color with water-safe inks. These mugs are made with high-quality ceramic material, which is durable and will keep your drink warm. Our mugs are dishwasher safe. QUALITY MADE - Our mugs are made with high-quality ceramic material that is long-lasting and durable. The lightweight ceramic mugs can used time and time again. These fun mugs have full-color graphics, that are printed digitally with water-safe inks. BEAUTIFULLY DESIGNED PRODUCTS - VictoryStore features hundreds of coffee mugs and more than 2,000 shirts, cards, outdoor signs, yard cards and lawn and patio signs for all occasions like retirement, graduation, wedding, holidays, as well as birthday, wedding, anniversary, and many more. FAMILY BUSINESS - Founded in 1999, VictoryStore.com has been a pioneer in the design-your-own space for Christmas decorations, party supplies, promotional products, big cards, apparel, gifts including can coolers as well as yard, patio and outdoor lawn decorations. Founded by Steve and Kelli Grubbs and is still a family business located in Davenport, Iowa.