I always use bias (make my own)on any size quilt I make - from lap robe to King. The last 2 years I have entered a quilt in a County Fair style gathering and received 1st place last year and 2nd place this year. The judge commented both times on my binding - bias and I got points for that and joining the ends on the diagonal. I like the stretch to it and pull just a little when sewing to the quilt. I think this eases the slight wave in the quilt. They always come out very flat - no waves.