attribut de produit

[accoman]

Hello,
the question has probably been Possee but I did not find answer.
then why did you do this as complicated as you avier something trè simlpe with the function attributes. In fact I can not with the latest version of virtuemart to have the next thing
essential oil / Yarrow which comes in two packaging 5 ml and 10 ml. Avans there was possibility of having a dropdown list or customer would select the desired package with the price and everything is corespondant was back in the cart now has a cumulative cost. So I'm left with my basket in the rate of 5 ml and 10 ml aditionne tariff. in short I am not the only one after this that I found in a patoger sauerkraut. how to have the attibut in your latest version
thank you