Exceptional insulation qualities. Light as a feather yet 1.5 times warmer than down and 2x warmer than most high loft polyesters. Loft between 1/3 and ½ inch yet very light weight. Volume, definition and warmth without weight. Fibers are Carded, Crosslapped & Thermally Bonded* Hand & Machine Quilting. Can be Tied. Confidently stitch up to 10" apart No prewashing necessary. 0% shrinkage. Remember, your prewashing and selection of fabrics and thread will also effect shrinkage.