My grandmother made many quilts out of nearly anything she could discover but generally cotton; my Mom has several quilts she made while in the 70’s out of double knit. They can be HEAVY and appears like they're going to final Endlessly!! Stockinette Stitch: The stockinette stitch is designed by https://sewing10865.yourkwikimage.com/799104/a_simple_key_for_knitting_unveiled