1) A blend of three or more grape varieties including Touriga Nacional. 2) The grape varieties must be indicated on the offer. 3) The region of production and the classification of the wine must be indicated on the label. 4) The vintage must be indicated on the label. 5) Oak aged. The duration of the oak aging must be indicated on the offer. 6) Registration in the recycling system will be advantageous. 7) Product feature enabling Alko's Green choice -symbol will be advantageous.