Mason jars are the perfect drinking glass. They're easy to to find, are sized for cupboards and drawers, have a cute rustic charm, and they can be washed in the dishwasher. Mason Jar Sleeves are a perfect way to upgrade your Mason jars for on-the-go use. They can insulated cold and warm beverages, so they're perfect for smoothies, water, tea and more. We recommend up pairing Mason Jar Sleeves with Multi Top drinking lids.