The magnetic vent cover is made of a grey metal drawing texture, in a classic or minimalist style, allowing you to pair it with your room decor to the with your walls or floors. The vent cover is made of thick high-grade strong magnetic material, which ensures a firm fixation when closing the register. Magnetic vent covers are 8x15.5 inches (approximately 20.4 x 35.5 cm), and they can be easily cut to fit the size and shape of your exhaust port.Please check the size of metal vents for ceilings, floors, walls and other places you need. Energy efficiency is improved by covering vents in rooms that are rarely used or require less heating or cooling. Magnetic vent cover is suitable for ceilings, floors, air conditioners, RV floor exhaust covers and other places, and is suitable for metal exhaust materials, not aluminum. Color:As Shown Material:Rubber Iron Package Contents: 1set * magnetic vent cover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.