The Ultra bottle is the results of a 5-year quest by Johnnie Walker’s operator, Diageo, to discover the most sustainable and lightest packaging achievable whilst retaining the luxurious aura with the franchise and its Specific blend of whiskies, which involve ultra-exceptional Oban, Brora, Royal Lochnagar, and several ghost distilleries. https://whiskeylandllc.com/product/johnnie-walker-blue-label-ultra/