De or het flap-over?

The correct Dutch article is:

de flap-over

  • Plural: de flap-overs
Meaning (Dutch) bord met grote bladen papier (flaps) waarop men kan schrijven en die achterovergeslagen kunnen worden

How to use flap-over

the flap-overde flap-over
this flap-overdeze flap-over
that flap-overdie flap-over
our flap-overonze flap-over
your flap-overjouw flap-over
every flap-overelke flap-over
which flap-over?welke flap-over?
a big flap-over / the big flap-overeen grote flap-over, de grote flap-over
the flap-over (plural)de flap-overs, deze flap-overs

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).