For M7 Pro M8 Pro The recommended replacement period is 1 month Under normal maintenance, it can be easily removed and replaced. Color: as shown Material: Non-woven fabric Package Contents: 20 x Dust Cloths Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.