First, cut the arms and collar off the shirt making a rectangle shape.
Next, put the two pieces together so that right sides face in and sew along the sides and bottom.
Use the rectangle to cut two pieces of fabric for the inside lining of the bag. Add a couple extra inches at the top.
Sew the sides and bottom of the lining with right sides together.
Turn the bag inside out but leave the lining the way it was sewn..
Place the lining in the bag and fold over the top in half then over one more time to make a band over the top of the bag. Sew in place.
Cut two strips of fabric for the straps the desired length and width that you want making sure to cut the width double the size you want the strap to be. Fold the strap and sew the bottom and side. Turn inside out and stitch the top closed.
Sew the strap to each side of the bag.
Hand sew buttons, bows, small silk flowers or other embellishment over the stitches of the straps if desired.