Dicunoy Set of 8 Mason Jar with Lid and Straw, 16OZ Mason Jar Cups with Handle, County Fair Old Fashioned Drinking Glasses for Iced CoffeePackage: Material: glass 8 x Mason jar with lid and straw. Mason jar cups size: Size: 2.5" in top Dia, 5.3" in height. Features: There is a seal in the hole the straw goes in to prevent leaks if it tips over. So you can take it with you around the house and not worry about spills. And it is not easy to leak. With the handle, these mason jars will be suitable for children's use. Glass regular mason jars are great for picnics, outdoors, graduation, anniversaries parties. It is also a nice choice as a party favour, or gift for your friends, family as gift for housewarming, birthday, etc.