A friend gave me some hand me downs from her boys and I found this in the box. Sorry the picture is…

A friend gave me some hand me downs from her boys and I found this in the box. Sorry the picture is cut off but it is rectangular like a regular prefold. I'm asking her if she cloth diapered or what she used it for. But do y'all think it could or should be used as a prefold diaper? I'm kinda in love with it.