Angela Walters, machine quilting author and teacher, designed Slim with you in mind! Features-Creative Grids® grip prevents slippingBlack and White dashed guide lines are visible on all fabric colorsCurved edges create versatile designsThe narrow width fits in any size throat spaceThe perfect length - long enough to quilt lines in any directionUse it for: stitching in the ditch; echoing crosshatching; stitching parallel lines; geometric patterns; border designs and more! It is 1/4 inch thick so it works for domestic as well as longarm machines. View a video demonstration.Total Size - 2in x 7in