Mae’r manteision eraill yn cynnwys y ffaith na fydd angen i blant a phobl ifanc fynd ag arian parod all fynd ar goll neu gael ei wario ar fwydydd eraill nad ydyn nhw mor iach y tu allan i’r ysgol.
Other benefits include children and young people not having to carry cash around, which might get lost or spent on less healthy food outside the school.