The window seal of the portable air conditioner can prevent the hot air from returning, effectively reduce energy consumption and save electricity costs. Save more energy and enjoy the cool summer. You can open or close the window at any time without removing the seal from the window. After the weather cools, you can also remove and reinstall it next summer to save money. Suitable for portable air conditioners, dryers, exhaust dryers and dehumidifiers. Circulation size: 35.4 x 82.7 inches, suitable for all standard window structures. It is suitable for the commonly used inclined window type. It opens to the left or to the right. It does not matter whether the window or skylight hanging at the bottom. Note: Cannot be installed on sliding doors and windows. Easy to install-no need to drill extra holes or tools. Just stick the tape inside the window frame and the window itself. Attach the window seal to the hook tape. Next, open the zipper on the window seal and place the air conditioning hose outside the window. Around the compression hose. High-quality materials: made of Oxford cloth. Using a self-adhesive seal, it has good adhesion, but will not leave any marks after breaking. It can also effectively isolate insects, dust, etc. in the room. size:210*90cm Material:Oxford cloth colour:white Package Contents: 1 * Sealing cloth 1 * Buckle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.