You can delete a single file from Dumpster by selecting the specific item and then clicking on the delete icon.
You can delete multiple files from Dumpster via one of the following two methods:
1. Hold your finger down on each of the files you would like to restore and multi select them, then click on the garbage icon in the top right corner of your screen.
2. Click on the middle icon located at the top of the main screen. Then select each of the items you would like to delete and click on the garbage icon in the top right corner of your screen.