F. A. Edmunds Square Embroidery Hoop is the ultimate in hoops for hand or machine embroidery! Made of hardwoods with a finely finished surface. Slips easily under a machine presser foot for machine embroidery. Package contains one 6x6 inch square embroidery hoop. Hoop thickness: 8mm. Imported. WARNING: Drilling, sawing, sanding, or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood.