Yellow Color: Vision of development.
Shield: From the Provincial Seal of Cagayan where the town is located.
Clam: Locally known as "kabibi", an abundant, distinct specie of clam which could only be found in Lal-lo throughout the region.
Islands: Barangay that sprouted at the middle of the river producing bountiful rootcrops.
Sacks of Rice: Main product of Lal-lo.
Logs: Town's richness in forest products.
River: Mighty Cagayan River which disects the town.
Bridge: First hanging bridge in the Philippines; decisive link for progress between Cagayan and Region I.