You will receive sufficient vent mesh covers, which can effectively prevent small items from falling into the vent and causing blockage, providing g a smooth air circulation. The size of the vent cover is 30.5x14cm/12x5.51 inch. The suitable size makes them fit most floor vents. Please check the size before purchasing. Made of premium PVC and magnet material. With magnetic frame, sturdy and long-lasting, they can be used for a long time, bringing you a good use experience. Please note that this product is not suitable for children aged 13 and under. Our floor vent covers feature a magnetic frame design that attaches firmly to metal surfaces with just one press. It is easy to disassemble and clean and can be reused after washing. These vent mesh covers are perfect for all kinds of vents, and can effectively prevent debris, hair, toys and other small items from falling into the vents, which keeps air out of the duct and fresh your room. Colour:Black Material:pvc Size:30.5x14cm/12x5.51 inch Package Contents: 1set * magnetic vent covers for ceiling(8Pcs) 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.