These Highclere Crystal Old Fashioned Tumblers are suitable for Scotiish Whisky, Irish Whiskey, Gin and Tonic and Other spirit and Mixer Glass or as a water Tumbler. Royal Doulton Highclere is part of the R&D Drinking Glasses Collection. Hand made to a High specification in the Royal Doulton owned Rogaska Factory in Slovenia. Contemporary meets Traditional in terms of the Tall Elegant Shape and the Diamond Cutting Design. Great quality Drinking glasses and very Good Value. All Highclere glasses are Gift Boxed in Royal Doulton Branded Boxes. We do not recommend using a dishwasher for any crystal glasses.