The B Oval Ruler can help you create 12" x 8", 8" x 5.5", and 4" by 2.75" oval designs. Stitch flower blocks, curved lines, and looped border designs with the Oval A Ruler. Handi Quilter's Oval A Ruler is made of 1/4" thick acrylic, that will never break or bend. Each Oval A Ruler includes instructions for use, safety tips, and design ideas.