A tow strap bag, including, an elongated tow strap with a top end and a bottom end for towing objects, two half zippers each having an elongated row of teeth coupled to the tow strap in parallel on a single side along the elongated axis of the tow strap with the teeth of each half zipper located near an edge of the width of the single side of the tow strap and facing opposite edges; wherein the two half zippers are coupled to the entire tow strap length except leaving the top end and the bottom end of the tow strap without the half zippers coupled thereon; and wherein the tow strap is configured to form a bag when zipping up the two half zippers.