The service allows users to upload files of up to 500 MB each for free and 5GB GB for paid subscribers. Account size after activating account get 15GB of free space. The user is then supplied with a unique URL, which locates the file and enables anyone who knows it to download the file. Uploaded files will be stored as long as the user logs-in into his/her account at least once every 30 days or at least one of the files is downloaded every 30 days. User interface is similar by functionality to standard windows explorer.