Simply attach it to the top of your air conditioner unit to reflect sunlight (sunray), and the hollow balloon layer enhances the insulation effect and reduces temperature rise, reducing the burden of your outdoor unit while you are driving. Sticker type for easy installation. It looks clean and discreet. Uses a weather-resistant adhesive that is resistant to peeling and deterioration. Can be cut with scissors to fit the size of the surface you are sticking. It is particularly effective when you install the outdoor unit in a location that is exposed to direct sunlight. Color: White; Service Life: 5 years; Adhesives are used, but if you happen to leave any residue, please use a commercially available sticker remover.