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 performance, 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.