Twill tape or twilled tape is a flat herringbone twill-woven fabric tape or ribbon of cotton, linen, polyester, or wool. It may be used in sewing and tailoring to reinforce seams, make casings, bind edges, and make sturdy ties for closing garments (for example, on hospital gowns).
Blue, Brown, Black
The twill tape has a unique herringbone weave, so also be called herringbone tape. The twill tape main purpose is to modify and stabilize the seam. ... Twill tape has a lot of application, on the outfit part like the string on the hat and pants. Others are mainly decorative use.