The colorful plastic glasses that are pre-filled with wine have until now been available through the catalog, and were to be introduced in stores in March.
Systembolaget is not allowed to carry goods that would encourage customers to buy alcohol.
"We believe that the packaging has an inviting character," says Lennart Agén, the monopoly's head of press.
"The way we see it, this product is not in line with the laws on alcohol. We feel the glass encourages alcohol usage, much because of the way it's packaged," he says.
The supplier is Cefour in Åhus, Sweden, which sells party goods. News agency TT tried to reach them for a comment to no avail.