The total length of soft cloth window panels is 4 meters. General windows are applicable. It does not affect the window switch after it is installed. How to use: Stick the adhesive strip to the window frame (the back of the adhesive strip has glue, the viscosity is strong and firm), and the edge of the soft cloth window panel is attached to the adhesive strip using the principle of Velcro. Use the zipper to control the size of the opening. The fabric is waterproof and rainproof and has good light transmission.