Easy to Install and Uninstall: The floor vent nets with magnetic edge design. Simply place it on the floor vent covers, and it securely adheres to metal surfaces. Convenient removal for easy cleaning, it can be reused, effortlessly capturing dust to keep the air fresh. Made of High-Quality Materials: The frame of the air vent covers is crafted from robust PVC material with strong magnets. The vent screen mesh ensures excellent airflow. Versatile: Floor register cover trap suitable for various vent types, effectively preventing the drop of paper scraps, insects, hair, toys, and small items from the air duct, thus maintaining the cleanliness of the ventilation system. Safety of Use: Baby proof floor vent covers designed with safety in mind, it prevents scratches in case a baby or pet passes by when the vent is open. Package Contents: You will receive 2/4/6PCS black air vent cover, each measuring 4x10 inches. Quantity:2PCS/6PCS/4PCS Colour:Black Material:PVC Size:4x10Inch Package Contents: 2 * Air Vent Filters / 6 * Air Vent Filters / 4 * Air Vent Filters 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.