Soy Soft batting is made with soybean protein fiber and has the luster of silk and the feel of cashmere. Not just for looks, the breaking strength of soybean protein fiber is higher than wool, plain cotton and silk. Chemical Free Soy Soft organic batting is cleaned without the use of harsh chemicals. Fibers Stay in Your Quilt. Soy Soft will not shift or shed through the cover of your quilt. Stitch Up to 8 inches apart. Soy Soft is created with an ultra light and super strong substrate, so your quilt will outlast years of repeated use and washings, even when your stitches are a full 8 inches apart! Soy Soft’s unique construction makes it ideal for machine quilting. Crib Size 45 x 60 inches.