Tips: Foam microphone covers was squeezed in a box, so please put it out for a little time then it will return to its original shape. Widely Applicable: Microphone Foam Windscreen can be used for singing, voiceover, ktv, dance ball, conference room, news interviews, stage performance and other places and anywhere else you need quality sound. Reusable Microphone Cover: It can be washed and reused many times, which is convenient and hygienic. Microphone Windscreen: microphone covers foam that can help reduce noise and external wind noise for a great recording. They don't dampen sound and will help filter out plosives and the sibilant "s". Microphone Cover Set: includes 6 PCS foam mic cover, 2.8 x 2.3 inches, caliber size is 1.5 inches, suitable for most standard handheld microphone.