Good Quality with Free After-sale Warranty. Material: Plastic, paperSize: 19.5cm/7.7 inch 4.5cm/1.8 inchSuitable For: ligent er irobot roomba 700 series models 760,770,780,790Function: er can clean when border by rotating soft brush to wall,the wall of dust swept into the dust suction mouth suction box centralized storage, cleaning cleaner, more efficient!Smooth surface, wear-resistant and difficult to deformation, good toughnessLong side brush, any wall, corner exhaustiveSide brush can be washed repeatedly recyclingFilter paper purification rateHigh filtering effect, the elimination of pollutionEffective filtering small dust and bacteriaNote:Side Brush are consumable parts, before cleaning is recommended to checkeach side brushCan be deformed into the side bristles soaked in warm water for several minutes,then brush stroke along, until dry and then you can usePacking Included:2 x Brush glue brush6 x Side brush6 x Hepa filtersNote:Light shooting 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 +/- 1-3 cm. About tracking number update: If your tracking number is no logistics information, as thousands of parcels sent to foreign countries, logistics companies did not update logistics information, please us the first time, Please kindly do not directly open the dispute. We are the first time for you to solve!Time of shipment:All of product we can shipping out within 5~8 weekday, on usually we are according to customer orders time for packing and shipment, we need to carefully check the quality of the goods before to Ship, So take some time to handled.Time of delivery: Due to force majeure factors: hurricanes, rainstorms affect flights. Leading to logistics delays. We are honest sellers, will not let you suffer any loss. Please give the logistics company a little processing time, we wait for the package to reach your sid