This is 20CM Dupont Wire Color Jumper Cable, 2.54mm 1P-1P Female to Female 40PCS. A very Flexible and easily detachable cable to the no. of wires according to your requirement. It has 1Pin female to the 1pin female header with both ends. Also, it is compatible with 2.54 mm mil spacing pin headers. This cable is an electrical wire or group of them in a cable with a connector or pins at each end, which is normally for interconnecting the components of a breadboard or other prototype or test circuit, internally or with other equipment or components, without soldering.

DATA SHEET : https://media.digikey.com/pdf/data%20sheets/adafruit%20pdfs/1951_web.pdf