Ovals are approx 3" x 4 1/2", 5" x 7 1/2" and 7" x 10 1/2" and have horizontal, vertical and diagonal placement lines. Quilt ovals in borders and blocks, frame applique, make swqgs and smooth curves in borders and sashes. Excellent for setting spines for feathers or stems for vines. Instructions and design ideas are included. Sizes in Set B will fit in between the sizes of the original set.