Empty the dust bin quickly and efficiently without releasing dust into the environment. Effectively capture fine dust particles and optimize machine performance. Improved overall performance of the vacuum cleaner after installation. Depending on the frequency of use, it is recommended to replace spare parts every 2 to 3 months to maintain the best performance of the machine. Sweeping robot vacuum cleaner dust removal accessories, replacement parts dust box, dust collection box can be combined with vacuum cleaner to achieve better cleaning effect. Compatible with model: for Mi Robot Vacuum-MJST1S (Model Name: for 2 2Pro) Material: plastic colour: Transparent white Package Contents: 1 x Dust Box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.