Welcome to our store: The 8 hole planaria trap is made of acrylic material, the 2 and 3 hole planaria traps are made of crystal glass, which has high brightness, acid and alkali resistance, no corrosion, good flatness, no water waves. . and easy to clean.Special design: The catching mouth is less than 1mm and will not accidentally hurt the young shrimp. Remove planaria from your aquarium without chemical damage.Easy to use: put dead shrimp, raw pork, raw animal liver, etc. in the trap as bait, turn off the light and remove after 30 minutes.Note: It is recommended to take out the trap 30 minutes after placing the baited trap to face the planaria. Because the dissolved oxygen in the water decreases when there are a lot of planarians in the trap, the planarians will run out, so the time should not be too long.Contents of the packaging : 1 x 2-hole glass trap, 1 x 3-hole glass trap, 1 x 8-hole acrylic trap. Satisfaction - Our customers are our top priority. If you find any product issues, such as damage or incorrect quantity, after receiving the goods, please immediately. We will do our best to provide you with satisfactory after-sales service. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.