The walls should be kept stored inside boxes or bags to prevent any damage to them when not in use.
If your using the panels as a permanent feature inside, these can be kept clean using a feather duster or small hoover attachment.
All of the flowers on this panel are silk and should not be placed in direct sunlight as they can fade.
All of the flowers on the panels are silk and therefore not flame retardant. You can buy flame retardant spray for the panels yourself for your own piece of mind which does not damage the flowers..