They are 5 pack of colorful microphone windscreen foam covers. Please rest assure that they are high quality microphone covers and colors dont change. They fit for standard handheld microphones in market with microphone Caliber Size is 1.4 inches. (Note: Not for headset) These microphone windscreen foam covers protect your microphone from wind interference and other noise interference. It’s clean and sanitary by keeping away from dust moisture and spit. Excellent elasticity and shrinkage to fit most handheld microphones and allows the mic covers to return its original shape in a short time.