【Good airtightness and wide range of uses】 Suitable for portable mobile air conditioners, tumble dryers, dryers, and dehumidifiers. The size of the window sealing strip is 4 m, suitable for casement windows. Note: Cannot be installed on sliding doors and windows. [Easy to install] No drilling or other tools required. Simply apply adhesive tape to the inside of the window frame, and then apply the window seal to the hook tape. Does not affect the opening and closing of windows. 【High-quality material】 210T waterproof material. Self-locking zipper, excellent adhesion, no trace when torn off. It can also effectively isolate insects, dust, etc. from the room. 【Convenient and economical】 You can open or close the window at any time without removing the window seal. You can also remove it once the weather cools down and reinstall it next summer, making it completely reusable! Works with all portable air conditioners and clothes dryers. Features: 1. Keep Bugs Away: Tired of disgusting flies