MAGNETIC SCREEN DOOR - Many Sizes and Colors to Fit Your Door Exactly - US Military Approved - Reinforced With Full Frame Hook and Loop Fasteners to Ensure All Bugs Are Kept Out - Tough and Durable BLACK/FOR DOORS up to 37 inch x 82 inches. See picture #2 for correct measuring instructions. The hook and loop fasteners (making them detachable and portable) are sewn around the entire perimeter of the insect curtain to prevent pesky mosquitos, flies, gnats, and other flying insects from sneaking in the through the magnetic screen sides. Open your door to let some fresh air in, flowing freely throughout your house, helping cool it down during the hot summer months. HIGHER QUALITY: 60g fiberglass material instead of the standard 30g polyester, making it A LOT more durable and ideal for high-traffic and dog doors. 26 magnets that are 65% more effective (1,400gs instead of the standard 900gs), ensuring that your bug-off net closes faster, seals tighter, and withstands stronger breezes. Reinforced edges to prevent fraying and ensuring no bugs sneak through the sides. US MILITARY APPROVED: Designed to keep even the nastiest, annoying bugs and insects out, these magnetic mesh screen nets are being used within military base camps all over Iraq and Afghanistan. 26 HIGH-ENERGY magnets are sewn into the seam (so they'll never break or fall off), are hidden from view, to ensure a quick, automatic close EVERY TIME. NO GAPS down the ENTIRE vertical closure means no bugs in your house, residence, shed, or trailers. SIMPLE INSTALLATION: You don't need to be Mike Holmes to install these instant mosquito curtains. It's super easy to install in less than 10 minutes. No tools required. After you install it once you'll get the hang of it and you'll have it up in minutes with no help from friends or neighbors. Best used on exterior back doors, front doors, on your RV, as a patio mesh doorway, French doors, inside or outside, or as a pet screendoor. LIFETIME WARRANTY: Our screens are backed by a no questions asked 30 day return policy AND a lifetime replacement warranty against manufacturing defects. Try it for 30 days on us and if it isn't everything you expected return it for a full refund. If the screen door EVER fails simply contact us and we'll REPLACE IT FOR FREE! Our friendly support team are only an email or phone call away.