Pellon Easy-Knit Batting & Seam Tape is great for stabilizing seams and softening rough edges of scratchy fabrics. Also use to adjoin leftover and scrap batting. Fuse two pieces of batting together or use around armholes or necklines to stabilize fabric. 1. 5"x 30yd White- Machine wash warm, tumble dry low or dry clean, machine-safe. 100% polyester.