Bag – le sac
(Pronounced sak)
To remember that Bag is pronounced sak (sac) in French, use the following mnemonic:
She was told to pack her bag when she was given the sack (sac).

Sac is masculine, so it's le sac. So imagine the early learner wearing a paper bag on his head.

Examples of sac (bag) in a sentence
J'ai acheté un nouveau sac.
(I bought a new bag)
Le sac est très lourd.
(The bag is very heavy)
Elle a rempli son sac de pommes.
(She filled her bag with apples.)