Perfect for serving cocktails beers and soft drinks the set of four mason jar mug glasses are great novelty drinking glasses that are ideal for barbecues and parties made of glass they each hold one pint and feature a chunky handle which is easy to grip lm features mason jar mug glasses with straws set of 4 ideal for serving cocktails beers or soft drink each glass holds one pint chunky handle for easy grip made of glass based on the classic american mason jar perfect for