Features: 1. Catch Fruit Flies: Add some cinder vinegar and soap water into the case and close the cover. Fruit flies will be attracted into the bottle, however the funnels shape prevents them from escaping. It works effectively and in safety. 2. Working Principle: flies that enter the knat and fruit fly trap for home through one of the many funnel-shaped holes are unable to escape and continue breeding. In a matter of days, you will notice a dramatic decrease of fruit flies around your home. 3. Safe Material: This fruit fly trap is made up of food grade pp material. Harmless to the human, no side effects. It can reuse spared bottles which can reduce waste. 4. Suggestion: Please remembers to clean the bottle regularly. Our fruit fly trap catches and corks the fruit flies but not kill them. So when the bottle is covered with the carcasses of fruit flies, please clean up with water. 5. Optional: Transparent/non-transparent optional. Fine quality that can safe and use for many years in different environments. Notice: Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Material: pp Size: As the picture shown Battery: No Color/Style: As the picture shown Weight: 0.078kg(2 PCS) Application: for Indoor, Outdoor, House, Restaurant, Courtyard Package List: 2 x Fruit Fly Trap