MX High quality and testing is fine It is made of silicone and it can protect your microphone from shocks, bumps and falls. Also doubles as shock mount for your microphone Slip a ring over your wireless microphone and never worry about it rolling away and falling off a table It is anti-rolling and shakeproof, professional microphone parts The square design has 4 flat sides so you don t have to worry about placing it down on one particular side.