It's a queen's clip, which is very convenient and easy to use to capture the queen and the cage frame at the top of the queen. Open the clip, pick up the queen and gently close it again. features -Color: mainly transparent. -Materials: plastic, metal. -Size: 2.6in * 2in * 1.89in -This tool is very convenient and easy to use to catch queen bee -It's easy to put the queen on the shelf -Open the clip, pick up the queen and gently close it again The package includes 12 * bee cage catcher Clip - transparent plastic