1. Suitable for 99% of KTV mainstream microphones 2. Each thickness is about 1 cm 3. Good air permeability, windproof and dustproof, can keep your microphone from saliva and moisture, which can reduce popping sound to a certain extent 4. Use high-quality sponge, which has good elasticity and shrinkage, and can be washed and used many (do not put it in the washing machine) Notice: Due to dye blending reasons, different batches may have a slight color difference, if you mind, be careful colour: multicolor Material: sponge Package Contents: 5 x Microphone cover (1 each for red/yellow/blue/black/orange) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.