The Ultra bottle is the results of a five-yr quest by Johnnie Walker’s owner, Diageo, to locate the most sustainable and lightest packaging attainable although retaining the luxurious aura with the franchise and its Particular blend of whiskies, which involve ultra-unusual Oban, Brora, Royal Lochnagar, and several ghost distilleries. https://emilianozzysm.birderswiki.com/1501388/detailed_notes_on_johnnie_walker_blue_label_ultra