10Pcs Black Microphone Dedicated Set Headset Replacement Foam Headset Mic Cover Microphone Windscreen Headset Sponge. Specification: Size: About 21x14mm; 30x23mm; 31x25mm; 36x23mm;45x35mm, Caliber: 6mm,8mm,10mm,12mm,15mm. Mini windscreen foam covers, enough for applying for a long time and meeting your replacement needs in daily life. Functions: these foam mic covers can protect microphones against singers' spit, keep them sanitary, and reduce microphones from wind interference and other noises. Package includes: 10 x Foam mic covers. Notice: Please allow 1-2cm differences due to manual measurement. No retail packaging, we will package it safely in opp bags.