Description: brand new and high quality dirt and noise perfect sound effect Protect your mic against wind interference and spit Suitable for 12-15mm diameter conference Material: Sponge Color: Black Size Chart: : Approx. 4.5x3cm/ 1.77x1. : Approx.12mm/0.47inch Package Includes: 4 Pieces Sponge Cover Note: Due to the difference between different monitors the picture may not reflect the actual color of the item Due to manual measurement there may be 2-5mm error in size