Materials: Made of ABS plastic, non-toxic and reliable material, reliable and sturdy enough, abrasion resistance Multiple sizes: 3 sizes, 4.7 x 3 inch/ 12 x 8 cm, 5.7 x 3.7 inch/ 14.5 x 9.5 cm, 9.6 x 6.5 inch/ 24.5 x 16.5 cm, will satisfy your different needs Beautiful colors: Pink, blue, green, 3 colors will meet your different styles and well match with your embroidery or decorations Easy operation: Embroidery hoops have a brass adjustment screw that you can tighten when necessary to keep the fabric as tight as a drum Useful functions: Nice tools for embroidery lovers, you can use them for your embroidery work, hang them as home decorations or give it as exquisite gifts,3 different colors give you different feeling when you use it