Well all I can answer to this is to go by my quiits. I have a quilt of my mothers,hand pieced and handquilted, made in the thirties or fourties,used on the beds,kids played with and on it. washed many times,only now wearing out. The earliest one I made and still have access to is one I made my DGD when she was less than a year old and she has used it constantly since then and is still using it.She is 20 this year.