O LIPFA-Seams Sew Fast. This clear plastic quilt strip piecing guide takes the labor out of stripping and is perfect for the beginning machine quilter. Features an adjustable clear plastic reusable construction, feed strips through machine with ease and accuracy, fast and accurate seam allowances, fastens to sewing machine bed for stable usage and accommodates up to 6 inch wide strips. Guide measures 5x7-1/4 to 5x12-1/2in. Made in USA.