I made one using scraps of flannel material and fleece blanket edging. I cut a rounded hourglass shape from a double layer of flannel, put wrong sides together, pinned blanket edging all around and sewed, then covered elastic in the blanket edging and sewed to either side. I would like to try maybe filling one with dried herbs next.
It's really easy. Get some cheapo denim (cut up jeans would work), wash them well, cut out three layers in an oval shape. Figure out where your elastic is going and pin it in place inside the layers (right sides together). Then sew around the edges, leaving an opening to turn it inside out. Easy as pie.
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