AIR CONDITIONING WINDOW UNIT LARGE INTERIOR COVER Are you tired of removing/reinstalling your window air conditioner year after year? No place to store it for the winter? Don't worry, the A/C Safe interior window AC cover is the perfect solution for you. Constructed of heavy-duty, automotive-grade vinyl and lined with fleece to eliminate cold drafts, it has a stitched-in, heavy-duty elasticized cord to hold it firmly in place. Our interior window AC cover is flame retardant and washable. Plus, its neutral color blends smoothly with any decor. Features Interior cover for most large window air conditioners Works best over ACs in the 12,000-24,000 BTU range Fits ACs 18"-21" high x 26"-29" wide and up to 4" deep Simple to install - elastic holds cover snugly on AC unit Tight fit eliminates cold drafts, lowering heating costs USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.