There are 21 chairs in total. We can offer a discount if you buy them all together. For all 21 chairs, the price would be 6000. Many sparkling wine glasses have thin stems, and they often break when used in restaurants due to repeated washing in dishwashers. However, these are not too thin and are quite sturdy, so I don't think they would chip or break. Height: 21cm, Top diameter: 5cm.