Wool batting is 100% wool and excludes binder fiber. This wool batting is exceptional for hand quilting and for light fabrics. It has a airy loft that returns to its original condition. Adds beautiful definition to stitches and is the easiest to hand quilt. Loft 1/4". Shrinkage 0-3%. Washable by hand or machine. Dry Cleanable. Stitch Distance 4" apart maximum.