square shape art craft cross stitch sewing embroidery hoop tools durable

made of abs plastic, non-toxic and reliable material, durable and sturdy enough, abrasion resistance. easy to operate, separate the outer and inner ring, cover the inner with your embroidered cloth then press the outer ring into the inner with the cloth together. can securely keep the cloth in place, save your time. easy use, fully liberates the shoulders, back and spine. nice tools for embroidery lovers, you can use them for your embroidery work.