• Made of flexible bamboo material, polished and burr-free for safe and smooth handling. • Includes a brass adjustment screw designed to tension the fabric during work. • The set includes 6 pieces with diameters of 10 cm, 13 cm, 15 cm, 16 cm, 18 cm, and 20 cm. • Ideal for embroidery, sewing, cross-stitch, quilting, and fabric painting projects. • Versatile for creating wall decorations, garlands, Christmas ornaments, and other crafts.