Soft cotton wadding 80% cotton and 20% Polyester.
See USE AND CARE instructions on the packag.
Hobbs Heirloom quilt batting is made to meet the needs of quilters. It is an unbleached batting that can be easily quilted by hand or by machine. Heirloom cotton batting shrinks 3-5% and can be pre-shrunk to minimize unwanted shrinkage.