Woodbridge by Robert Mondavi has launched a new, single-serving, portable, ready-to-drink wine line.

Woodbridge Stacked Singles are a 187-ml. serving of wine in a shatter-proof cup. Just peel off the lid and consume.

The initial offerings are chardonnay, cabernet sauvignon, pinot grigio and a red blend.

Woodbridge by Robert Mondavi Stacked Singles are available in single-format servings, for $2.49 each, at national wine retailers.