Shield: From the Provincial Seal of La Union where the Municipality is located.

Bamboo: Bamboo industry of the Municipality.

Salakot: Hero Diego Silang, who was born in Caba.

Grapes: Grapevine industry of the Municipality.

Tobacco & Rice Stalk: Town's main products.

Beach w/ Waves: Main tourist attraction Caba is known for.

1598: Year the Municipality was founded.