Lainiere K1 is a super soft light weight knit fusible interfacing. K1 offers multidirectional stretch making this an ideal fusible for fabrics with stretch including knits and stretch wovens. K1 works well for dresses, blouses, jackets, crafts and accessories. Circular Knit fusible White 100% Polyester 19” width 54 grams/ 1.90 oz. Fusible Interfacing for light to medium weight fabrics Sewing machine safe Machine wash warm. Tumble dry low. Dry Cleanable