The wine must be classified as sparkling wine or carbonated sparkling wine. Not for example frizzante. This must be indicated on the packaging. Sugar content (g/l) must be indicated on the offer. Sweetness level classification must be indicated on the offer and on the packaging (f.ex. Brut, Sec, etc.) The production process of the wine must be explained on the offer. Registration in the recycling system will be advantageous. Product feature enabling Alko’s Green choice -symbol will be advantageous.