lunchbox
US /ˈlʌntʃ.bɑːks/
UK /ˈlʌntʃ.bɑːks/

1.
lonchera, fiambrera
a container in which a packed lunch is carried
:
•
Don't forget your lunchbox for school tomorrow.
No olvides tu lonchera para la escuela mañana.
•
She packed a sandwich and an apple in her lunchbox.
Ella empacó un sándwich y una manzana en su lonchera.