This acoustic shield features an acoustic foam front and a vented metal back plate, which allows the microphone to “breathe” and prevents reflections within the arc of the shield. It uses a dual clamp mounting bracket, which attaches to booms or stands up to 1 1/4″ in diameter.
https://www.amazon.com/Monoprice-Microphone-Isolation-Shield-Absorbing/dp/B00GR9W1MS

