Simtyso Black 2 Pack Foam Mic Cover Handheld Microphone Windscreen Thick and reusable ball-type foam windscreen for most standard handheld microphones; Not for headset microphones Protect your microphone from wind interference and other noises Good breathable material, good effect for voice Suitable for ktv, dance ball, conference room, news interviews and stage performance, etc. Size: 2.8x 2.4 inches (W * H); Caliber: 1.4 inches