1.DIY window screen 2.make the window frame clean 3.stick the velcro on the window frame 4.press the mosquito net on the tape Material : 100%polyesterDenier: 50D 210-300 holes/sq.inch,hexagonal meshSize: 150cm*130cm / 130cm /100cm,or you decideAttachment: velcroColor: white,black,or you decidePackage: OPP with picture or cartonIt is so easy to install and just need 3 steps:make the window frame ...