Made of high quality materials, environmentally friendly materials, soft and durable to use. Made of high-strength environmentally friendly materials, which can block most dust down to 0.3 microns. It has strong cleaning power and . It is recommended to replace the spare parts every 2 to 3 months depending on the frequency of use to keep the machine running at its best performance. Due to different batches, there may be some differences in product appearance and printed text, which will not affect the use. Color: as shown Material: ABS Package Contents: 2 * Main Brush 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.