UPGRADED DESIGN - 3 pack premium black floor vents, super strong magnetic floor vent covers, 1.5mm thickness 3 pack. Provides superior durability and protection to long-lasting performance. EASY TO INSTALL AND REMOVE - The floor vent cover uses a rectangular magnetic frame for easy installation and removal, no additional tools required. BETTER PROTECTION - Magnetic cover prevents cats, , debris and expensive items from falling into the vent. Also acts as a ventilation blocker. PERFECT COMBINATION - The air conditioner measures 4 x 10 inches and is a perfect combination with the rectangular magnetic frame. Measure the duct opening to find the best size for your floor grate. Usage Scenarios - Suitable for most standard duct openings in floors, walls, ceilings, air conditioning, heating and cooling, and HVAC systems. Material: rubber colour: Black Package Contents: 3 x vent plate 3 x 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.