FABRICS: Designed for woven fabrics. Suggested fabrics: Cotton, cotton types, denim, twill, decorator fabrics 1⁄4″ (6 mm) seam allowances are included. Organizers in four sizes are lined with contrast fabric and have casings at top edges for hanging on a curtain or similar type rod. Organizers are easy to make and have special easy-to-follow sewing instructions.