Indoor Air Conditioner Cover for Window Units, Inside Window AC Cover for Winter, fits up to 21"x 15" x 3.5"(Light Gray)

SIZE OPTIONSChoose from four sizes (Length x Height x Depth): 17"x13"x3.5", 21"x15"x3.5", 25"x18"x3.5", and 28"x20"x3.5". These sizes are designed to accommodate most window air conditioners ranging from 5,000 to 22,000 BTUs. | PREMIUM MATERIALSOur window AC cover is expertly crafted from waterproof fabric and features a dense cotton padding. We've reinforced the fabric and lining to boost its water resistance. Plus, we've added extra cotton padding to keep cold air out of your room effectively. | DUST PROTECTIONThis cover prevents dust from clogging your A/C unit when it's not in use. It's machine washable and reusable, saving you the hassle of removing the air conditioner from your windowsill every autumn and winter. | EASY INSTALLATIONPutting the indoor AC cover in place is a breeze. The elastic on both sides and the adjustable fastener strap make it easy to secure the cover around your window air conditione | CORD MANAGEMENTBased on customer needs, we've added Velcro openings on both bottom sides. If necessary, you can thread the air conditioner cord through any of the openings.