Our magnetic vent covers are versatile and widely applicable to settings, including homes, basements, RVs, HVAC systems, heater vents, fireplaces, and more. They can be used on ceiling, floor, and wall vents or registers, making them fit for both indoor and outdoor use. Whether you need to control airflow in rooms, improve comfort, or reduce noise in apartment buildings, these vent covers are a good solution. The package includes 4pcs Round magnetic vent cover designed to fit standard vent dimensions. Made from soft rubber with magnetic material, ensuring they are not easy to break, deform, or fade. With a magnetic strength of up to 650 Gauss, these covers provide a complete seal with no slipping. The magnetic sheet rolls are also easy to cut and can be used for DIY projects, adding style and attractiveness to your items. For iron and steel vents, just cover the vents directly with the magnetic sheet. The covers can be easily cut to your desired size with scissors, allowing for customization to fit most vents. For DIY enthusiasts, the magnetic sheet rolls can be cut into shapes and printed with desired patterns and words. Color: As Shown Material: Rubber+Iron Package Contents: 4 pcs Magnetic Vent Covers 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.