Plastic Bag is the second son and youngest child of Shirley Bag and Matthew Bag.
He is one of the main characters of The Sims 3: Combined Let's Play Seasons 1 and 2.
In The Sims 4: Vampires, Plastic Bag was transferred from the Sims 3 to the Sims 4 along with the rest of the Bag and Red family members.