Made of high quality material, durable and practical to use. Easy to install and reliable to use Easy to install and remove, no need to spend extra energy and time. The mop has strong and long-lasting cleaning power, which can easily respond to various stains such as footprints on the floor, juice residue, and oil stains. As part of normal maintenance, it can be easily removed and replaced Applicable models: compatible NARWAL J3 Robot :gray white Material:plastic Package Contents: 1 x Mopping Module / 2 x Mopping Module 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.