Come and see our amazing products. The volume of this red wine glass made of high borosilicate glass is 15oz. It is resistant to low temperature and high temperature from -20 degrees to 150 degrees, non-toxic, very safe and healthy. It has a map pattern printed on the wall of the cup, which is very fashionable. Welcome to use a custom logo. Pls confirm with us about the packing info, stock color and exact production time before placing your order.