- Effective against most flying pests, especially the pesky fungus gnats in your indoor houseplants. - Fun modern shape. - Double-sided design for efficient use. - Original stylish monstera leaf shape created by our in-house designer in California. - Sunproof and waterproof, resistant to rain, heat, and other conditions. How to use the sticky traps: Step 1 To use, first peel the white cover paper off both sides. Step 2 Then pop the trap standing up in the soil and watch as they attract and capture those flying pests. Step 3 Replace traps in 2-3 weeks or as needed.