Set of Four (4) 15-oz Colorful Polka Dots Mason Jar Beverage Cups ~ 4 Clear Glass Drink Cups with Metal Lid, Straw Included Set of Four (4) glass Mason Jar Beverage Cups with colorful polka dots metal lids & straws. Perfect serving cup for blended drinks, smoothies and other cold beverages. Dimensions: 3.3" diameter x 5.3 High, Capacity 15-oz each. Ideal for wedding, bar, household, party, or any social gathering. Great gift idea.