Caydo 4 Pieces Embroidery Hoop Set Bamboo Circle Cross Stitch Hoop Ring Material: Natural bamboo Circle's diameter: 17 cm (6.7 inch), 20 cm (7.8 inch), 23 cm (9 inch), 26 cm (10.2 inch) Different sizes suitable for different sized embroidered cloth Stainless steel screws with fine anti-skid embossed texture Polished bamboo embroidered hoop which is light, beautiful and harmless to your hands