Inside Dimensions: 14-17″long x 11-13″high x 3.5″deep. Fits Most 3,000 – 5,000 BTU Window Air Conditioner Units Protect Your AC Unit: The indoor window air conditioner covers can prevents dust, dirt, and other small debris from clogging up your A/C unit when it’s not in use. Reduce heating costs during winter, eliminate the need to remove and re-install A/C unit. Double Insulation: Double layer poly/cotton construction, the most effective wind-blocking material. Great Convenience: No need to dismount your A/C unit each winter. This indoor AC cover allows you to leave your AC unit in the window all year long. All our covers are machine washable & reusable& durable. Easy to Install: No installation tools required. Simply put the cover over the inside of air conditioner and tighten the drawstring on each side. p Add a Protection Cover For Your Air Conditioner Indoor Unit /b – Specifications: /b – Size:17” Width x 13” Height x 3.5” Depth(Small) – Color:White – Fits window units 3,000 to 5,000 BTU – Material:double layer poly / cotton – br – Product Features /b – 1. High quality soft polyester cloth – 2. Easy to use, washable and durable – 3. Size suit for most of standard window ac unit – 4. Protect window ac unit keep from rust – 5. Isolate cold air, rain, and snow, reduce heating costs in winter – br – Warm Tips /b – 1. Please make this product stay away from fire, toxic, flammable and danger things. – 2. – 3. – 4. If you have any question about this product, please contact the seller. – /p