World's Coolest Dad Mug by Shannonbridge Pottery | Novelty Mug for Dad Celebrate the best Dad around with the Shannonbridge Pottery World's Coolest Dad Mug. Featuring sleek black typography and a playful baseball cap graphic, this high-quality ceramic mug is a daily reminder of how much he means to you. Available online and in-store from and online from www.duiskeglasskilkenny.ie Designed in Ireland by Shannonbridge Pottery Features bold "World's Coolest Dad" graphic text Comes in a Shannonbridge Pottery gift box Completely microwave and dishwasher safe