Keep your room cooler: Our air conditioning door seals allow hot air to escape from inside the room through the exhaust duct. to all mobile air conditioners and clothes dryers, this waterproof fabric insulates the room from hot air and summer sun, keeps the air cool in the room, improves the efficiency of the air conditioner and prevents mosquitoes to enter the room to enjoy your cool summer days. High Quality Material: The door seal is made of professional 210D polyester material with waterproof and eco-friendly PU coating. 'environment. Washable, reusable, insect and UV resistant, it is effective against dust and rain penetration and can be used safely even in wet weather. Easy to install: No drilling required. is necessary and no damage is caused. Simply attach velcro with a strong adhesive to the edge of the door frame, attach the door seal to the velcro reinforcement and secure the exhaust pipe with a zip tie. Wide range of applications: This door seal for mobile air conditioners is suitable for mobile air conditioners and dryers, but also for all types of doors with a maximum circumference of 90x210 cm. Reusable Velcro: Instead to use the usual Velcro, we opted for an improved hot melt adhesive which makes the Velcro more durable and stronger, leaving no traces once the Velcro is removed. When the weather turns cold, you don't need to remove the Velcro, just remove the window seal and store it away until next summer.