Tinksky 10pcs Microphone Foam Cover Foam Microphone Windshield for Lavalier Lapel Microphone (Black) Color: Black. Material: Foam. Inside diameter: 10mm Length: 35mm In terms of the use of micro-shut cutting technology, the outer surface of the finished product do not see the cut marks, beautiful appearance. Dyeing uniformity, good ventilation, sound quality is guaranteed. Can well protect your microphone against wind interference and singers' spit. Use for wireless wired microphone.