Bright color attract flying insects, and high quality glue keeps them from escaping. With sharp bottom can be inserted directly into the soil. Also come with hanging ropes,just hang it up from the plant with the rope. Gnat trap use bright colors and glue to catch pests, no odors and harmful drugs, no harm to people and pets. With strong adhesive ,the inscet catcher traps are uv resistant and waterproof. No need to replace them until fully covered with bugs. Specially designed for flying plant pests. Great for outdoor or indoor plant, especially potted plants.Made from non-toxic material, high and low temperature resistant and waterproof, controlling pests in a more Eco friendly and economical way.Double-sided long-lasting adhesive, traps the insects more effectively. Easy for you to use. Freely hang it on suitable support and peel off the diaphragm paper. Great waterproof and heat resistance performance, stay serviceable after rain and in high temperature, suitable for outdoor use. Widely capture aphids, leaf miner, fungus gnats, thrips, white flies, black flies, midges, mosquitoes and other flying insects. Perfect for greenhouse, orchard, tea garden, nursery garden, small farm or living room. Easy to Use For trees or other large plants: Use the included wires to hang the yellow stick traps on the branches; For small plants: Place the yellow sticky board tightly on a stick, and insert it into the underground.