Tesa® Insect Stop Alu Frames Comfort For Doors Is A Practical Mosquito Repellent Solution That Keeps Unwanted Insects Out While Letting The Sunshine In. It Consists Of A Highly Torsion-Resistant Aluminum Frame With Patented Easy-Fit Corner Connectors For Fast Assembly And Easy Trimming To Match The Size Of The Door. An Adjustable Self-Closing Mechanism Automatically Closes The Insect Screen To Offer Maximum Insect Protection. A Newly Developed Clear View Fabric Offers Maximum Transparency And Ventilation.