T.j's Herbal Disposable Fly Cather is an absolutely unique way of Catching House Fly. Its 100% non electric and disposable which means is Eco Friendly as well. We just need to add water till the marked level clearly indicated on the pouch and hang it outside (Preferably in sun light). Within 24-48 hours, the herbal aromatic pouch will be cultured with sun light and with its aromatic smell; flies will be attracted towards it. Once the Fly enters the Fly Catcher, it cannot go out. One pouch can withhold up-to 5000 flies at one time and lasts a month. Its repetitive use helps in stop breeding of House Fly near you.