drawstring

Plural: drawstrings

Noun

• a tie consisting of a cord that goes through a seam around an opening
  • "he pulled the drawstring and closed the bag"
• A string or cord, encased in a fabric tube, with one or more small openings into the tube, on a bag or garment, allowing the item to be closed (as with a bag) or tightened (as with sweatpants or a bathing suit).

Synonyms

drawing string, string