90 pcs mic covers, Size 30x22mm(1.18 x 0.87 inches); Caliber:0.38 inches. suitable for most standard microphone Made of high quality durable sponge material, has good elasticity and shrinkage, convenient to set on the microphone. Improves the recording quality by reducing unwanted noises and wind interference These mic wind covers can keep your microphone away from saliva and moisture influences, allow you to use the mic in an ease and comfortable mood. Fits small lapel and headset microphones.Suitable for both indoor and outdoor venues Colour:Black Material:sponge Size:Overall:3x2.2cm, Caliber:0.8cm Package Contents: 90 x microphone covers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.