The Lodgepole Backpack Panel from the Sunset Ridge collection of fabric by Minki Kim.
To complete the Sunsetridge Backpack you will need to purchase this hardware:
#5 Zipper w/pull - 20in (ZBY5C2) 1" D-Ring (STS107G) 1" Slide Buckle (STS125GT)
Full instructions and youtube videos are included via QR code links on the fabric.