You get 1 GB of storage space for each project in your package, so with the Standard package of 6 projects you would get 6 GB of video. There is also a limit on the amount of downloads of the project by you or people you shared your projects with. The limit is 4 GB of downloads times the number of projects included your package so with the standard package you would get 24 GB of downloads. See the pricing page for more details.