1.HOW TO Place the piping ribbon at the edge of the front, then sew as close to the piping as possible, use zipper foot if needed. The piping ribbon must be cut to exactly the same measurements as the side of the cushion. Overlap the two ends of the piping in the corners. 
2.Sew the piping ribbon all the way to the edge on all 4 sides. Sew front and back right sides together. Now use the same stitch all the way around. Remember to leave an opening to turn through 
3.Here’s how the finished cushion looks with piping.
