Usage: Our Embroidery Hoops are made from Plastic Material and are durable. It comes with Plastic Screw Knob to make it easy while adjusting the hoop to tighten it or loosen, With Embroidery Hoops you can create Embroidery designs and needle artworks as well as other crafts items to decorate your home. Making crafts with Embroidery Hoops are a great way to start learning new skills.