General description 100% brand new and high quality dust bag replacement designed for Roborock vacuum models. Made of durable non-woven materials, these bags help extend the life of your vacuum cleaner and keep it operating at peak performance. They are easy to remove and replace as part of normal maintenance. Technical specifications Material: Non-woven Package Contents: 12 dust bags, 1 clean brush Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with: Roborock S8+, S8 Pro Ultra, S7 MaxV Ultra, S7 Pro Ultra, Q7 Max+, Q7 Max, Q5+ Self-empty docking station compatible