Features: Enhancing your portable air conditioning's efficiency with this insulating sleeve, designed to block direct sunlight, retain heat, and reduce energy costs while protecting hoses. Crafted from 201T pearls cotton, the washable cover features adjustable elastic buckles for tool free installation and includes both hose and interface protective sleeves. Ideal for homeowners and renters seeking to optimize cooling performances in apartments, or offices using portable air conditioning units. Perfect for sun exhausted spaces where UV protection matters, shield air conditioning hoses on balconies, near window, or in garages from dust and heat leakage. Its foldable design simplifies storage and maintenance while maintaining clean airflows channels, ensuring extended air conditioning system lifespan through thermal insulation. Specifications: Material: 201T Pearls Cotton Size: As Pictures Show Package Includes: 1x Ventilation Sleeve note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.