These wire bag frames are used by 2 popular sewing patterns designed by Janelle MacKay of Emmaline Bags 1) Use them for The Luxie Lunch Bag sewing pattern: EMMB-111 or 2) The Retreat Bag pattern, a free downloadable pattern vendor's website. Approximate Size (10in X 3 1/2in) These wires are a rectangle shape, with 90 degree angles.