Mason jars enhance anyone's drinking experience - custom mason jars, however, do steal the show. Whether it's homemade lemonade, a cold coffee brew, ice tea, or tasty cocktails, our 12oz custom mason jars are perfect for families, couples, and individuals alike. Made with sleek frosted glass, these personalized mason jar mugs come complete with a straw and lid..: Custom mason jars made with frosted glass.: Perfect for serving soft drinks and cocktails.: All custom mason jars come in one size: 12oz (0.35 l).: Straw and lid included with all custom mason jars.: Please note: white space does NOT print! Printing does not include any white areas on the product. This means any white space in your design will be left blank.