Cut two pieces of muslin 8 inches by 4 inches.
Sew 1/4 seam allowance on three sides leaving one short side open for filling.
Trim corners and turn right side out.
Use a paper funnel to fill the muslin with a mix of 1/2 cup lavender and 1/2 cup of flaxseed.
Turn under the open sides of the muslin and sew shut.
Cut the linen outer fabric into three pieces as shown above. One 9 inches by 4 inches and one 10 inches by 4 inches.
Cut the 10" by 4" piece at the 7-inch mark.
Turn over one of the short edges of the 7 inch piece and the 3 inch piece and topstitch.
Pin the linen pieces together with right sides facing and the top stitched pieces slightly overlapping.
Sew a 1/4 inch seam around all four sides.
Trim corners and turn right side out.
Press and place the lavender and flaxseed filled muslin bag inside the linen bag.