A man and woman are expected to be charged with theft after they allegedly stole a charity tin full of funds for victims of the recent bushfires from a fast food restaurant in Melbourne.

Police say the 41-year-old woman and 37-year-old man, both from Drouin, entered the Frankston fast food store on Nepean Highway about 9.30pm on Monday.

The man and woman were captured on CCTV entering the fast food store and walking to the front counter. (Victoria Police/CCTV)

The footage shows the man grabbing the tin off the counter and putting it in the woman's handbag. (Victoria Police / CCTV)

While in the store the pair made their way to the front counter and positioned themselves near the charity tin.

The man then allegedly grabbed the tin and placed it the woman's handbag.

The duo were arrested in Dandenong on Friday night and are expected to be charged with theft.