3 small foam windscreens perfect for smaller headset microphones. Can be used for fitness classes, including bike or spin class, aerobic or step classes, body pump, etc. Also fits Telex Airman 800456-001 Microphone Windscreen - ANR 500, Telex Airman 750 and 850, 5x5 PRO III, Bose QC15, Sony ECM-CS3, UFlyMike good for computer gamers, telephone headsets, tv studios--anyone who uses lavaliere, lapel, or headset microphones. IMPORTANT NOTE: If you force a foam windscreen on a microphone that is too large, it will rip. If your microphone is too small, it will fall off. To make sure you choose the correct size, see Compete Audio size comparison chart in images. ) If the windscreens don't fit or you are unsatisfied for any reason, just return them via Amazon for a full refund.