Set of 4 - 15-oz Holiday Mason Jar Beverage Cups, 6 Clear Glass Drink Cups with Metal Lid, Straw Included Complete Set of 2 Clear Glass Mason Drinking Jars with screw-on metal lids and plastic straws. Perfect serving cup for blended drinks, smoothies and other cold beverages. 16-oz Capacity for each drinking jar. Great gift idea for friends and family.