Microphone Cover Set: 5 pcs foam microphone covers, 3.3 x 2.1 inches, caliber size is 1.57 inches, fits most standard handheld microphones, not for headset microphones. Thick and Soft Foam: The foam cover for the microphone is soft and thick, has good elasticity and shrinkage, and is convenient to put on the microphone. Wide Range of Uses: The foam cover for the microphone is suitable for KTV, dance halls, conference rooms, news interviews, stage performances, and other places. Clean and Hygienic: These microphone covers can keep your microphone away from saliva and moisture, so you can use the microphone easily and comfortably. Please Note: The foam covers for the microphone were compressed in a bag, so please put them out for a while and they will return to their original shape.