Foam Microphone Covers: These microphone foam covers are effective in reducing interference while simultaneously maintaining clear audio quality while using a lavalier lapel microphone headset. Reduce Background Noise: The microphone muffler covers are made soft, high-density foam that helps protect against wind and improves A/V quality and audio. For Personal or Professional Use: The wind screens for mic headsets are perfect for interviews, radio shows, singing, audio recording sessions, live performances, and professional conferences. Dimensions: Each microphone windscreen foam cover measures 33mm in length, diameter: 16.8mm; 9.7mm diameter opening; perfectly sized for a wireless lavalier microphone. Colour: black Material: foam sponge Package Contents: 24 Mini mic hoods Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.