eBoot 5 Pack Furry Outdoor Microphone Windscreen Muff for Most Lavalier Microphones Color: black Material: good quality artificial fur wind cover Opening diameter: 10 mm; Length: 20 mm, suitable for lapel microphone in diameter ranging from 8 - 13 mm/ 0.3 -0.5 inch It helps to reduce wind noise; Minimizes noise and ambiance Fits all lavalier microphones