The phrase "a substantial package" is correct and usable in written English.
It can be used to describe a significant or considerable amount of something, often in a business or formal context.
Example: "The company has put together a substantial package of benefits for its employees, including health insurance and retirement plans."
Alternatives: "a significant package" or "a considerable package".
Mr Blair said he wanted to put together a substantial package to put the issue of African poverty "in a different place".
Labor also planned to release on Friday a "substantial package" of new savings measures that it said would improve its budget bottom line.
Little has been learnt from Obama's victory: the Conservatives have yet to fully tap into the great desire for change that the British public feel: change as a substantial package of measures, change in the working of politics.
However, Swap Force looks to be a substantial package for fans of the series, and as it's compatible with all the older figures, a pretty good entry point for curious newbies.
Here it is: "I can confirm that from 1st April, we will be making a substantial package of information held by ordnance survey freely available to the public, without restrictions on re-use.
In fall 1997, the International Monetary Fund — with the backing of the United States and Europe — provided what was then regarded as a substantial package of support to the Suharto government in Indonesia.
Simon Albury, chair of the Campaign for Broadcasting Equality, said: "The BBC has announced a very substantial package of initiatives, which will drive significant and welcome improvement in BAME representation at all levels.
But it is overall a pretty substantial package -- we can get you the details on that -- but it is being rolled out in pieces as we get definitization, as I say, between us and the Saudis and are ready at that point to notify to the Congress.
Speaking before a meeting with the prime minister on Thursday afternoon, Victorian premier Denis Napthine said: "I believe the federal government will not only consider a substantial assistance package, but it is imperative that they provide an substantial assistance package".
The premier would be "fighting hard" for an assistance package for affected workers and their families, including retraining, consolidating and certifying their skills, and a "substantial transformation package" to grow new job opportunities in Victoria.
Mr Newman is expected to receive a substantial severance package.
