NulSom Inc. Assembled RPi GPIO T-Type Plus with 8" 40 Pin Ribbon Cable for Raspberry Pi 3 / Zero 1.3/2 / B+ / A+
This is a expansion board that connects to the Raspberry Pi 3B/Zero1.3/2B/B+/A+'s 40 pin GPIO connector, and breaks the pins out to breadboard-friendly arrangement and spacing.
The RPi GPIO T-type Plus kit comes with an assembled T-type plus and a 8 inches 40 pin ribbon cable (dark grey color).
Pin #1 is marked with a red stripe.