MATERIAL - The products are made of high-strength and environmentally friendly materials to optimal performance and a healthier . Helps clean the vacuum cleaner and makes your healthier Replacement Accessories for the original damaged, non-working, or missing one Compatible with For W10/W10 Pro Vacuum Cleaner. As part of normal maintenance, it can be removed and replaced The silver ions in the water tank of W10Pro are not included... Compatible with model: For W10/W10 Pro Robot Color: Transparent grey Material: ABS Package Contents: 1 x Sewage Water Tank 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.