DOUBLE RING - Each embroidery ring consists of 2 bamboo rings, they can help to tightly clip the cloth and keep it flat, help you better complete embroidery. ADJUSTABLE - A side of the bamboo embroidery hoops is equipped with an adjustable screw buckle, it can help you easily clip and loose the hoop. LARGE SIZE - There are 10 pieces cross stitch rings to meet your needs, each ring measures 30cm in diameter and 0.9cm in thickness, large size provides you with more embroidery space without frequent disassembly. MULTI PURPOSE - 12 inch Embroidery hoops not only can be used for embroidery, cross-stitch, hand sewing, needlecraft and quilting, but also you can use in tree ornaments, wall decoration, wedding decoration, garlands, small ornaments. HAPPY SHOPPING - If there is any quality problem with our bamboo embroidery hoops, you can request a refund within 30 days of receiving the product. If you are not satisfied with anything else, please feel free to contact us.