G - 100% Bleached Cotton Batting With Scrim - Needle Punched is made of 100% Ultra Clean Cotton fibers which provide softness and durability. Quilters and crafters trust and love natural cotton due to the time proven qualities it lends to all projects. Cotton shrinks 3-5% (pre-soak as needed). The lightweight and soft stabilizing scrim binder provides strength and allows for a stitching area of up to 8-10" apart. Best used with white or light fabrics.