Made of high quality material, Can be easily removed and replaced as part of normal maintenance. Easy to install and reliable to use It is recommended to replace it every 1 to 3 months or thereafter to maintain the best performance of the machine. Please note: The physical color difference or difference does not affect the use, please don't worry! Color: as shown Material: Plastic Package Contents: 20 * Strainers 20 * Mop Cloth 20 * Side Brushes 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.