The Genuine Brother Large Embroidery Hoop SA439 is a rectangular-shaped hoop made of plastic, measuring 7 inches in width and 5 inches in height. It features reference markings on the hoop for easy alignment and placement accuracy. This Brother hoop is compatible with other Brother embroidery machines and is designed for quilting and other embroidery projects. Made in Taiwan, this high-quality hoop ensures a sturdy and reliable performance for all your crafting needs.