Durability: high-standard PC material make this water tank to be . Compatibale model: for 1c/stytj01zhm robot vacuum cleaner parts Replacing spare parts help your robot vacuum cleaner maintain good cleaning performance. Each set of spare parts is recommended to use for six months, and then replace the new spare part. Colour:As shown Material:plastic+cloth Package Contents: 1 x water tank 3 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.