Aurora Glass Sun Catchers are made from 100% recycled glass. Each one is approximately 4 inches in diameter. Finished with a hemp cord for easy hanging. About Aurora Glass Through art and craftsmanship, Aurora Glass recycles discarded window glass transforming it into decorative and useful items. Our mission is to reduce the amount of glass in the landfill, be a positive example to our community and support the mission of St. Vincent de Paul.