New high-quality materials, well-made, durable, and highly compatible with the equipment. Clean accessories keep your home robot at peak performance. The contents of the accessories are easily removed and replaced as part of routine maintenance. Also reduces the infiltration of dust, pollen, and other allergens into the air you breathe. For wiping windows to remove stains and marks on windows. The mop picks up dirt and debris to keep the window cleaner, allowing for a more thorough cleaning of the window. Exterior: 25 x 25cm Interior: 17 x 11cm Material: fiber color: yellow Package Contents: 6 x Window Cleaning Robot Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.