Features: Ensure a completes seal with this Magnetic Vent Covers, designs exclusively for steel Vent , providing superior magnetic strength to block unwanted airflows and enhances energy efficiency. Crafted from material, these vent covers offer easy application and removal while maintaining a tight, secure fitting . Ideal for homeowner , office managers, and anyone look to optimizes indoor air circulation by effectively managing airflows in various space . Perfect for use in living room , bedrooms, offices, and other areas where improved air distribution is desired, ensuring comfort and efficiency throughout your homes or work space . With a white design and convenient size, these magnetic vent covers seamlessly blend into any decors while providing practical functionality for HVAC systems. Specifications: Material: pvc Size: about 102x254mm/102x305mm/140x305mm(option) Package Includes: 1xMagnetic Vent Cover note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.