Size: - The cover is 24"x24"x30" Inch. *To avoid any inconvenience and trouble. Please measure and determine the size you need before purchasing, there are multiple sizes to choose from. It will fit perfectly if the cover is 1-2 inches larger than your Central AC Outdoor Unit.Heavy duty 420D silver-coated material more durable: Using heavy-duty 420D Oxford cloth material, which is tear-resistant and with stronger waterproof performance, protects your air conditioning unit from extreme weather damage such as rain and snow. The inside is coated with silver to protect the machine better, and the air conditioner cover will not shrink over time and can be used all year round.Easy to Clean and Store: This air conditioning cover can be rinsed with water or wiped with towels for daily maintenance. The included carry bag for easy storage.Velcro Design Easy to Install: Consider the outer air conditioning duct, we have designed Velcro openings on the sides to provide a good seal while leaving an exit for the outer air conditioning duct, without leaving the cover uneven. Installation is also easy, simply attach the Velcro and complete the installation.Air Vent & Bottom Drawstring: The special design of the air vent allows the inside of the cover to remain ventilated and dry to prevent the machine from getting rusty, and at the same time allows the inside air to be discharged better without making the cover expand unevenly due to the wind blowing. The adjustable drawstring at the bottom allows the cover to fit the machine better without swinging due to the wind.