Mic Windscreen, Conwork 5-Pack Foam Cover Handheld Microphone Foam Pop Filter for Ball Type Microphones -Black Designed with acoustically transparent foam to reduce unwanted breath and wind noise without affecting the sound quality for most standard handheld microphones. Excellent choice for ktv, dance ball, conference room, news interviews, stage performance, etc. Thick and reusable ball-type foam windscreen for most standard handheld microphones; Not for headset microphones Internal Diameter: 3.5cm / 1.4 inch, Internal Hight: 7.5cm / 2.9 inch Package Contents: 5 x Foam mic Windscreen. Lifetime Warranty.