LSA International Whiskey Club Tumbler in Peat Brown - Set of 2Modern, curved whisky tumblers. Expert craftsmanship is required to case the brown glass within a layer of clear and create each tumbler's weighty base. The Whisky Club tumbler is mouth blown into metal moulds by master glassblowers to create the barrel shape and exceptional weighty base. The cased colour is achieved by gathering layers of brown and clear glass, shaping the gather and blowing into a mould. The rim is fire polished to achieve a smooth