Adjustable fit: Two adjustable straps and an elastic band ensure the cover stays secure and is easy to install or remove. Versatile compatibility: Adjustable sizing is designed to fit most window air conditioning units. Durable and easy care: The soft polyester fabric is washable. The classic white color blends with most home decor. Energy efficient protection: The polyethylene lining helps improve energy efficiency during winter months. What it is and how it works: This indoor air conditioning cover is made from soft polyester fabric with a polyethylene lining. It is designed to fit over most window A/C units, providing a secure fit with two adjustable straps and an elastic band. The washable fabric offers practical durability. Specifications: Material: Outer fabric is soft polyester; inner lining is polyethylene. Colour: White. Fit: Adjustable sizing to accommodate a wide range of window A/C unit models. Care: Washable. Use scenarios: Winter energy efficiency: Use during the heating season to help improve energy efficiency. Offseason or maintenance: Cover the unit when not in use or during seasonal changes. General protection: Easy to install and remove for straightforward operation.