Size: Can be easily cut down to size and fitted to multiple windows, stick the self-adhesive sticky tape to the window frame place the netting over and cut off any excess. Done ^Transparent Fiberglass Screen Mesh , the diameter of the holes are very tiny and small. Fiberglass Screen Mesh invisible across the window; it doesn't detract from the room or look ugly .^Fiberglass Screen Mesh , strong aging resistance, not easy to break and deform.Does not damage the window frame. Easy to fit and remove. Leave your windows open and enjoy fresh cooler air.^