Elbesee Embroidery Hoops are produced from high quality close-grain beech with smooth radius edges and wax polished. 20mm deep Quilting Hoops available in sizes 12, 14 and 18". (15, 20, 25, 30, 36 and 46cm) Also, Embroidery hoops available in sizes 4, 5, 6, 7, 8, 9, 10 & 12". (10, 13, 15, 18, 20, 23, 25 and 30cm)