Easy to use， easy unpick and wash. Need to clean， simply by placing the mosquito net from the magic stick stick (strap) directlyWith self-adhesive sticky tape on the back of the velcroMesh Size: Approx. 155cm*135cmMaterial: MeshPackage Included: 1 X Window ScreenUSE: 1.Clean the window frame 2.Stick the self-adhesive velcro tape around the frame 3.Press the net on the velcro hooks 4.Cut the unnecessary part with knife