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, 4 different colors give you different feeling when you use it Materials: Made of high quality ABS plastic. Multiple sizes: 4 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, 12.4 x 8.2 inch/ 31.5 x 21 cm, will satisfy your different needs Simple to operate: each colorful embroidery hoop has a adjustment screw that you can tighten when necessary, to keep the fabric as tight as a drum, it is convenient for you to use Colorful color: Blue, pink, green, watermelon red Color: Pink, blue, green, watermelon red Package includes: 1 x Blue Embroidery Hoops (4.7 x 3 inch/ 12 x 8 cm) 1 x Pink Embroidery Hoops (5.7 x 3.7 inch/ 14.5 x 9.5 cm) 1 x Green Embroidery Hoops (9.6 x 6.5 inch/ 24.5 x 16.5 cm) 1 x Watermelon Red Embroidery Hoops (9.6 x 6.5 inch/ 24.5 x 16.5 cm) How to use: Unscrew to release the inner hoop, place your chosen fabric over the inner hoop then lock into place with the top hoop and screw in to tighten. How to adjust the tension: These embroidery hoops have a brass adjustment screw that you can tighten when necessary to keep the fabric as tight as a drum. As a result, the fabric can be stretched drum taut and stays that way during the process. You do not have to constantly pull the sides of he fabric to tighten. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin