Design Unique: This Accessory Is Designed For Combo i5, i5+, j5, j5+.Which Can Be Used Last To 3 Month Mop Pads: Reusable & Durable, Strong Water Absorption, High Temperature Resistance, No Fading, No Lint and Easy Drying. The Replacement Part easy to replace without any tool. To keep your Household sweeping robot operating at , recommend to replace the kits every 3-6 months.according to the frequency of use, it can be replaced by a shorter or longer time. Compatible: The Replacement Knit Only Compatible With for Combo i5, i5+, j5, j5+ Robot Vacuum Material: cloth colour: grey Package Contents: 8 x mop cloth 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.