PRICES MAY VARY. These plastic wine glasses are perfect for any large occassion or elegant event. Material: Plastic. (48 pc./unit) Size: 6 3/4" 8 oz. Plastic. 6-3/4" 8 oz. These plastic wine glasses are perfect for any large occassion or elegant event. Material: Plastic. (48 pc./unit) Size: 6 3/4" 8 oz.