These aren't exactly essentials like flour and oil. They have other brands of similar goods. They choose to sell the Israeli products anyway - because there is demand for them in Gaza.
Plus, they are kosher!
Buy EoZ's book, PROTOCOLS: EXPOSING MODERN ANTISEMITISM
If you want real peace, don't insist on a divided Jerusalem, @USAmbIsrael
The Apartheid charge, the Abraham Accords and the "right side of history"
With Palestinians, there is no need to exaggerate: they really support murdering random Jews
Great news for Yom HaShoah! There are no antisemites!