Fusi-Boo® Blended Fusible Batting by Fairfield - Sustainability and simplicity go hand-in-hand with Fusi-Boo®, the industry's first fusible quilt batting made from a special blend of fibers including natural cotton and rayon fiber from bamboo. This batting integrates the softness and smooth drape of bamboo with a water-soluble, heat-activated fusible resin. The result is a luxurious batting that simplifies the quilting process by eliminating the need for basting. 36" x 45"