ITEM NAME:10 Piece 3 Inch And 4 Inch Embroidery Hoops Bamboo Circle Cross Stitch Hoop E6O4 10 Piece 3 Inch And 4 Inch Embroidery Hoops Bamboo Circle Cross Stitch Hoop E6O4 Package comes with 5 piece 3 inch (8cm) and 5 pieces 4 inch (10cm) embroidery hoop, perfect size for making Christmas ornament Made of natural bamboo, which is safety, harmless and environmental protection Easy operation: Embroidery hoops have a brass adjustment screw that you can tighten when necessary to keep the fabric as tight as a drum Multipurpose Use: Not only for embroidery, needlecraft and quilting, you can also applied in Christmas ornament, wall decoration, wedding decoration, garlands, dreamcatcher, clock, photo props, painting frame, etc. Cost-efficient 10 pieces two size small bulk.Inspect the hoop whether it is tight enough. The way to check the tightness is to use a needle with thread going through the fabric surface. It is workable if there is a bang bang sound when pulling the thread.