[Good Sealing]The dust bag is made of melt-blown fabric and non-woven fabric, combined with cleaning station can effectively capture 99.7% of ultra-fine dust down to 0.3 tiny particles. [Auto Lock]It lock automatically when you lift dust bag, completely sealing dust bag inlet to dust and dirt stay inside bag. [Tips for Use]In order to keep your robot running at its best, please clean and replace parts in time. If you have allergies and pets , it is recommended to replace dust bag every 2-3 weeks. Large capacity: The dust bag has a large holding space, which can collect more dust and reduce cleaning frequency. Easy to replace: dust bag design is simple and easy to use, easy to replace, no special tools or professional skills are required. Compatible Model For Qrevo For Qrevo S For Qrevo Pro For Qrevo MaxV For Qrevo Master For P10/ P10 Pro Colour:White Material:Non-woven fabrics Package Contents: 12 * Dust Bag Only above package content, other products are not included. Note: Light