You will need…
cushion pad. material for front. material for back. scissors. pins. measure.
measure cushion pad. cut material for front + 1 inch. (eg. cushion pad is 12 x 16 inches – cut material 13 x 17 inches)
cut material for back. height = height of pad + 1 inch. width = width of pad + 5 inches. (eg. cushion pad is 12 x 16 inches – cut material 13 x 21 inches)
back. cut in half width ways.
pin and hem the edges.
with right sides together place back pieces on top of front so outside edges match. pin. stitch. then clip corners.
clipping corners makes the corners poke through better.
turn right side out. press.
put cushion pad inside.