Step1. Measure your pillow.
Step2. Cut front and back pieces. Back pieces should be about 10 inches longer.
Step 3. Cut the back piece in half, next fold long edge over and sew 2x.
Step 4. Position fabric pieces and pin together.
Step 5. Sew around edges.
Step 6. Flip right sides out.
Almost everyone in your household is tested pillows. :-)