Go to: Inventory-Storage Facilities-Containers
Click on the arrow before containers name to see items inside
Select any item. On the right side of the screen you can see Item Details, Quantity and Checking History or Edit Item 
Create New Container
Click ADD NEW CONTAINER button
Enter New Containers name and details and click SAVE button
The new container is created
Add Sub Container
Select any container and selected container's details will shown on the right.
Find Add Sub Container section on the bottom. Enter new sub container name and click ADD button.
New container will shown in navigation tree
Click on the new sub container to edit details. Select container's type and click SAVE button.
Click OK button in pop-up dialog box.
Container's icon is changed, according selected type.
