Pfaltzgraff Winterberry Set Of Four 10 Ounce Irish Coffee Mugs Dress your favorite Irish coffee drinks in this sturdy set of four mugs. Etched with a festive green and red Winterberry design. The Winterberry 10-ounce Irish coffee mug is decorated with an etched and handpainted holiday design with a solid red base. Mix and match Winterberry glass Irish coffee mugs with Pfaltzgraff Filigree, Ruby and/or Emerald dinnerware to create a festive tablesetting. Hand Wash Set of four 10-ounce Irish coffee mugs