Natural Fly Control: This fly trap is made of sticky glue & waterproof paper. No pollution, no fumes and no odor. Discreet Design: Transparent design.Easy, clean removal, no sticky residue. Tips: The paper cover can be easily remove by quickly tearing it apart, otherwise it will be difficult to remove. Convenience: Easily disposable.Adhere directly to any window. Buy with pleasant: Keep your indoor activities free from germ spreading annoying flies.