21"L15"H16"D Insulated Air Conditioner Cover Outdoor, Outside AC Cover

3 Layers Protection: The window air conditioner cover is made of 3 layers material, 420D oxford fabric, pearl cotton and aluminum foil, this 3-layer insulation is thicker and provides better heat retention. It will ensure that your air conditioning system is protected from cold winter weather, rain, and snow | Ideal Size: Window AC unit cover size is 21W * 16D* 15H inches (53*40*38cm), suit for most of standard window ac units 3,000 - 7,000 BTU. Tips: Kindly measure your machine to confirm the size before purchasing | Double Straps Design: We provide 1pcs ac unit covers and 2pcs buckle straps in the package. This outside air conditioner cover uses a combination of both elastic drawstrings and buckle straps to secure your air conditioner tightly, which prevents the ac window cover from been blow away | Comprehensive Protection: Window air conditioner cover outdoor keeps rain, snow and dirt. Cover all the outside air conditioner units(Bottom Included) to prevent cold drafts from entering the house through the A/C. The cover for the outdoor window AC with double stitched seams for additional durability | Windproof & Waterproof & Isolate Cold Air: Protects from leaves, debris, rain, snow and UV, keeping the cold air from entering in the ac window unit cover from the outside, helping conserve energy in the winter months. It not only protects the AC unit from sunlight and dust but also helps keep your room warm in winter