FSEN Portable AC Window Seal Kit - Heavy-Duty Window Barrier with Adjustable Hole, No-Drill Waterproof & Universal Fit for Sliding/Crank-Out/Skylight Windows. Blocks Heat, Dust & Saves Energy!

Additional Details from the Manufacturer

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More features

• 【AIRTIGHT SEAL & HEAT BLOCKING】​​ ​Reinforced shrink-hole design​ secures AC hoses tightly, ​blocking 95% of outside heat—enhance cooling efficiency & ​cut energy bills​! Double-Layer Insulation Wool​ (5mm) vs Competitors' 3mm Flimsy Fabric
• 【ALL-WEATHER PROTECTION】​​ ​Military-grade waterproof coating​ shields against rain, wind, and UV. ​Dustproof​ surface cleans instantly—ideal for ​stormy summers​ or ​sandy climates.
• 【60-SECOND INSTALLATION】​​ ​No-drill peel-and-stick tape​! Attach ​hook-and-loop strips​ to any frame, lock the seal cloth. ​Residue-free removal​ for ​rentals/temporary use.
• 【TRULY UNIVERSAL DESIGN】​– Flexi-hose fits accommodates all kinds of AC hoses in the market (5.1”-5.9” dia) – no more misalignment issues.
• 【TEAR-RESISTANT DURABILITY】​​ ​Double-layered insulation wool​ + thickened polyester withstands wear. Reusable 3+ seasons—includes 8M Heavy-Duty Velcro​ (4X Stronger Than normal type)