Easily installation and dismantling: The magnetic edge design of our floor ventilated mouth screen allows it to easily place and disassemble on the metal .It can repeat and capture dust many times, keep the air fresh, and only need to be cleaned very little. Top long durability: Our ventilation hole cover is made of solid PVC materials, with powerful magnets, providing good airflow to the vertical ventilator of the register without sacrificing durability. Full packaging: Each order is accompanied by 6 black ventilation mouth cover, each size is 5.5x12 inches, providing you with sufficient coverage to the ventilation ports in your home. Safe and reliable: When we designed home floor exhaust nets, we consider safety to prevent scratches, and that even when the curious pets or children are interacting with the ventilation outlet, they will not be harmed. Multifunctional protection: Whether you handle paper scraps, hair, or small toys, our floor register cover trap can effectively prevent these items from falling into the air pipeline and polluting your ventilation system. Color:Black Material:pvc Package Contents: 6x 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.