Finish one of the short ends of the shorter rectangular piece; the chair organizer FRONT (1). This will form the finished hem on the front side.
Finish one of the short ends of the long rectangular piece; the chair organizer BACK (2). This edge will form the opening to the chair organizer.
Fold and press the edges of the POCKET (3) piece in by ½” (WRONG side facing up) and then fold the pocket opening edge another ½” before stitching the hem along the opening.
Position the prepared POCKET piece on top of the BACK piece matching circles and pin in place.
Stitch the POCKET piece to the BACK piece with a ¼” top stitch along all three sides.
Fold the BACK piece RIGHT sides together matching notches. Sew from the folded edge to the first notch on both sides with a ½” seam allowance.
Clip the notch as close to the stitch as possible without going past it.
Turn the BACK piece right side out and poke the corners out so they lay flat.
With WRONG sides together, sew the two layers together along both sides from the first notch all the way to the top edge. Use a basting stitch.
Place FRONT and BACK pieces RIGHT sides together. Sew the pieces together along all three sides with a ½” seam allowance.
Turn the chair organizer right side out. Stitch the seam allowance at the opening towards the back.