Features:Material: PlasticColor: TransparentTurbellarian Worm does great harm to our aquarium, if it has already got some, it will be difficult for you to wipe it outThe amount of the drug will affect the water quality of the aquarium, and the worm may only be suppressed, but it is difficult to completely remove the planarian, so under normal circumstances, there is no need to use drug deinsectization. So that you can try to use worm trap to remove thembrand new and high quality Specifications:Material: PlasticColor: TransparentSize: 3.2x3.2x3cm/1.26x1.26x1.18in Note:1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes:1 Piece Planaria Trap Aquarium