Bottoms up! Our Giant Clear Plastic Martini Glass holds up to 32oz of liquid. This specialty glass is great for everything from gag gifts and costume accessories to centerpiece displays. Of course, if you decide to have yourself a giant drink, who are we to judge? Just make sure you've got plenty of olives! Giant martini glass measures 10 1/3in tall, with a 6 1/2in diameter at the top rim.