The GoVino wine glass is made of a shatterproof material and allows you to enjoy your wine without worry. These glasses are made to travel and reflect wine's color and aromatics much like crystal. They are recyclable, and reusable. Because the temperatures of dishwashers vary so widely we recommend hand washing only. Each glass measures 3.3\" W x 4.4\" H. Mouth is 2.5\" in diameter. Holds 6 ounces to mid point of thumb notch, 16 ounces to brim. Winner of the Silver 2010 Industrial Design Award:Govino is pleased to announced that the Govino wine glass is the winner of a Silver 2010 International Design Excellence Award (IDEA)* from the Industrial Designers Society of America.*The IDEA awards are a celebration of the most innovative and exciting product and product concept designs of the year and one of the world's most prestigious design awards.