YAHENLI Window Seal for Portable Air Conditioner, Adjustable 24"-35.4", AC Window Vent Kit, 100% Sealing Waterproof Easy to Install, for Horizontal & Vertical Sliding Windows

["ADJUSTABLE UNIVERSAL SIZE: Portable AC Window Seal measures 10”W x 24”-35.4”L, fully adjustable in length, matching most portable air conditioners and dryers. Designed ONLY for horizontal & vertical sliding windows (single-hung & double-hung).","0-GAP BETTER SEALING: Upgraded drawstring design fits 1”-6” exhaust hoses tightly for a zero-gap seal. Locks cool air indoors, blocks hot air backflow, and effectively keeps out rain and dust.","ENERGY SAVING & FAST COOLING: Constructed with waterproof, heat-insulating & sun-reflective fabric, it blocks sunlight, reduces AC workload, cools faster, lowers energy use and saves on electricity bills.","UPGRADED RELIABLE STRUCTURE: Avoids common issues like poor sealing, broken zippers and slippage. Features double-stitched sewing and strong velcro for firmness, long durability and reusability.","EASY TOOL-FREE INSTALLATION: No drilling required; simple stick-on setup in minutes. For optimal adhesion, clean the window frame first and allow 24 hours to set before use. Removable without damaging windows."]