It will not pollute the water, and it is environmentally friendly and durable. Snails are trapped according to their habit and will not cause harm to fish and plants. Reduce the impact of fish on the aquarium and maintain the ecological balance of the aquarium. Open the lid, push the fishing line into the bottom of the air hole, the small hole, easy to release the air and sink to the bottom. The plastic snail catcher is designed according to the living habits of the snail. Easy to install and use. Application: 1. Open the cover on the top of the snooper.2. Thread the fishing line through the top of the two holes to later use. 3. Bait in the middle of the bait area.4. Place the lid vertically in the container. Color: transparent material: plastic Size: 6cm Package Content: 2 x Snail Catcher only the above package content, other products are not included. Note: Different lighting plans and monitors may cause the color of the item in the picture to be slightly different from the real