What you neednet material
1. Cut the material into 10″ H x 12″ W and 3″H and 12″ W.
2. Now take one piece of material, place it on the zipper, pin and sew. Repeat the same to the other side of the zipper.
3. Cut another material piece of 13″ H and 12″ W and place it on the zippered fabric and sew with 1/4″ seam allowance. Remember to slightly open the zipper at this point.
4. Trim off the excess material and zipper and turn inside out.