2PCS Window Air Conditioner Cover Inside and Air Conditioner Cover for Outside , 3 Layers Insulation with Aluminum Foil and 2mm Foam, 25.5"W x 20.5"D x 18"H and 25"W x 3.5"D x 17"H - Beige and Beige

2-Piece Set, Extra InsulationDesigned for standard AC units with maximum dimensions of 25"W x 20"D x 17.5"H (outdoor unit) and 24.5"W x 3"D x 16.5"H (indoor unit). The AC unit cover for outside interior space measures 25.5"W x 20.5"D x 18"H, while the air conditioner cover indoor interior space measures 25"W x 3.5"D x 17"H (providing 0.5" installation clearance). Always measure your actual unit dimensions before ordering! | Three Layers of Insulation for Draft BlockingUnlike other single-layer window air conditioner covers, Amerbro's air conditioner cover feature a three-layer structure: 600D waterproof and windproof heavy duty oxford fabric, 2mm thickened pearl cotton, and insulated aluminum foil | The Outdoor Cover is Secured with Metal Buckle StrapsUnlike fragile plastic buckles and weak straps found in other air conditioner covers for outside window units, ours feature durable metal buckles and reinforced weather-resistant straps for easier installation. The bottom stitching has pre-cut sections, allowing easy modification to fit support brackets on window AC units | The Indoor Cover is Secured with hook-and-loop strapsUnlike other covers that use a drawstring for fastening (which can easily slip or fall off), ours feature a hook-and-loop attachment system, allowing the window air conditioner cover inside to adhere directly to the air conditioner unit | All Weather Protection Our waterproof heavy-duty ac window unit covers are designed to protect your air conditioning unit from harsh weather conditions