Z- 100% Wool Batting (with scrim, needle punched) This needle punched 100% wool batting is carded and then finely needled into a luxurious 100% wool batting, reinforced with a fine scrim which prevents stretching while quilting. It provides ultimate insulation and warmth while lightweight and breathable for ease of use and exceptional quilting. Weight: 4.5 oz./square yard Machine or hand quilt up to 10” apart. Hand washing / soaking in cold water is recommended. Avoid agitation. Use a gentle detergent recommended for quilts and wool. Lay flat to air dry.