1Made of high quality material, durable and no deformation, corrosion resistant. 2Create many professional sewing craft and saves much time. 3In quilting work, you may find it difficult to get seams to line up perfectly without this foot. 4The press foot creates many professional sewing craft and saves much time, greatly increase your efficiency. 5One set includes 30 or 32 pcs of sewing machine press foot which meet your different needs, very functional for all your sewing needs.