Bosal Sew-In Batting - White 4.2oz (119.1g). Bosal batting sew-in polyester 45"x 36"(114.3cm x 91.4cm) package . Scrim supported, needle punched fleece for padding, quilting and crafts. 100% polyester. Use where a slightly padded look is desired. Use in creating quilts, soft sculptures, garments, handbags, crafts and accessories.