Fold the hanger loop pattern piece and shoulder strap pieces in half lengthwise with RIGHT sides together and then sew along the edge with a ½” seam allowance.
Turn the sewn pieces right side out and press flat.
Place the prepared hanger loop at the center top of the BACK piece, matching notches.
Place the prepared shoulder straps on the BACK piece, matching notches at the top and along the sides.
Baste stitch the straps in place.
Stitch the UPPER FRONT and BACK pieces with the LOWER FRONT and BACK piece.
Clean finish all the raw edges with a zig zag stitch or serger to prevent fabric from fraying.
Place the FRONT and BACK pieces RIGHT sides together and mark a point 3” from the top edge along both sides (or just on one side). Stitch along the sides from top to bottom and along the bottom edge, leaving the square cut outs un-stitched.
Fold the bottom cutouts so that the side seam aligns with the bottom seam and sew along the diagonal edge with a ½” seam allowance.
To sew a casing along the laundry bag opening, fold and press the seam allowance inwards at the 3” side slit. Topstitch the seam allowance in place.
Press and fold the opening edge by ¼” and then fold again another 1.25”and pin hem in place. Stitch along the folded hem 1.25” from the edge forming a casing for the drawcord or cording ties.