EASY TO USE: Before install the traps, clean the window or other flat surface and let it dry thoroughly. Peel off the white adhesive strip on the back. Attach the trap to a window corner or other flat surface, then remove the large white paper to uncover the trap surface. Just replace the glue traps regularly once it is full of flies. It will purify the environment of your home in a silent way. UPGRADED FLY TRAPS: Designed in 5" x 8.25", this upgraded wider indoor fly trap allow for larger trapping surface so as to ensure a high capture rate. By adopting industrial-grade glue with strong adhesion, the flying insects will have nowhere to go once fall into the trap. Remove the annoying flies in your living areas by stopping the breeding cycle of them with this long-term solution. FLY-FREE SOLUTION: As carriers of harmful bacteria, flies infestation have been posing a potential threat to our daily health. Especially houseflies that will contaminate your food and daily necessities, which can not be underestimated. TRAP IT! window fly trap can capture and kill all kinds of common flying insects like gnats, fruit flies, moths, lady bugs, house flies and mosquitoes in an effortless way. CLEAN & TRANSPARENT: Design with semi-transparent glue, these fly traps for indoors will not affect the light transmittance of window, and can not easily be spotted by the flies. When the trap is full of flies, just peel it off and throw it away. It will not leave any sticky trace or residues in the window. Keeping your house clean and improving your life quality with these odorless and non-toxic fly tape traps. LASTING & EFFECTIVE: As we all know, flies are phototropic organisms. Therefore, natural light or other lights can be used to attract flying insects getting close to the trap. Flies can also easily be attracted to rotten smells, you will get a trap covered with flies within a few days if you attach it on your trashcan lid. Don't worry about insects flying around the room after opening the windows and doors.