8.27Inch Embroidery Hoop Dia 21cm High Adjustable Wooden Standing Leg Embroidery Frame Solid Wood Cross Stitch Rack It's made of Beech wooden without any burr The height is adjustable from 31-42cm The embroidery hoop dia is 21cm hoop height 1cm single hoop thickness 0.5cm Standing sit on it to embroidery working The hoop can 360 degree rotating