Wide Compatibility: Compatible with Roborock S8+, S8 Pro Ultra, S7 MaxV Ultra, S7 Max Ultra, S7 Pro Ultra, Q8 Max+, Q7, Q7+, Q7 Max, Q7 Max+, Q5, Q5+, Q5 Pro+ clean base automatic dirt disposal. 28 Pack Bags: Includes 28 pack of automatic dirt disposal bags. 28 vacuum bags are more affordable, meeting your long-term needs of frequent replacement. Effective Filtration: Designed with 4 fiber filter layers and made of sturdy non-woven fabric, the vacuum bags can effectively block 99.9% of dust and fine dust particles. Upgraded Sealing: Premium materials and upgraded tight rubber sealing technology can avoid leakage, prevent any dust from escaping , ensure all the dirt is collected, and performe better without dust cloud. color: White Material: non-woven fabric Package Contents: 28 x dust bag 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.