Drinking Jars by Glaver's. Lightweight but sturdy, the glasses are super practical and feel great in your hand. The set contains 4 glass jars with lids 16 oz. You can use them to serve water juice fruit infusions lemonade shakes smoothies, cucumbers, carrots, tomatoes, or any homemade beverage. these Glass Cups are multifunctional and just the right solution for you.