30 pieces, each size is 21cm*7cm, can be cut to size as you need. Strong adhesion, safety, non-toxic, waterproof, lightfast, high and low temperature. Traps take advantage of the natural behavior of flies, which are attracted to sources of heat and light and therefore prefer to stay in windows. insect trap to keep flies away Please clean the surface of the window before use to ensure that there is no dust on the window. Tear off the double-sided tissue paper on the back and stick it to the window. Then tear off the backing paper from the front .
