Royal Worcester Wrendale Designs Mug Penguin Out on the TownRoyal Worcester Wrendale Designs 0. 31L 11Fl. oz Penguin Mug Out on the Town When a good cuppa is calling your name, reach for this Wrendale Designs mug. It's just the right size for your favourite warming drink and is designed to feel comfy in the hand. Decorated with one of the collection's recognisable illustrations, this mug features three feathery penguin pals out on an adventure, as well as a downy penguin chick inside the rim. It's crafted from