The plate can be perfectly embedded into to achieve a tightly sealing effect, keep the indoor temperature comfortable and cool, and thickened PVC for better wear resistance. The hose is flexible and that will not bend or deform at high temperatures, ensuring repeatable use for years. Say goodbye to stuffy, uncomfortable rooms and hello to cool, refreshing air with this window sealing Portable window vent panels can fit perfectly into tracks for airtight seal. It effectively exhausts hot air into and keeps room cool. Window sealing is suitable for most vertical and horizontal sliding It consists of 3 plates, with adjustable from 55-160cm, to meet the needs of different sliding door.