100% Polyester Batting- High Loft is soft yet durable and provides an ideal loft that quilters and crafters trust and love. Polyester has time proven features that provide loft and definition to projects. 100% Polyester. Lightweight and extremely versatile. Durable and easy to hand quilt. Loft: 1/8in. Shrinkage: 2-3%. Stitch Distance: 4in, Washable by hand or machine. Dry cleanable