Guinness Mug and Socks Set: What is it? It\'s a set containing a Guinness-branded ceramic mug and a pair of black socks - perfect to satisfy Guinness fans from head to toe. About the product Officially licensed Guinness merchandise, this set is great for a Guinness fan. It\'s made from high quality materials, so is super to give as a gift. The mug holds approx. 330 ml and the socks come in one size, which fits most feet. Why you should buy it This set makes an incredible Father\'s Day gift or a treat for a Guinness fan. Order this Guinness Mug and Socks Set now! | Guinness Mug and Socks Set