40%Polyester +60% PVC | Fit for 4 X 10 Inch Floor Register: The size of these floor register traps are designed to fit 4 x 10 inch floor vent; Please kindly measure the actual vent damper box size before purchasing. | Easy to Install & Remove: No need for any tools, simply fit the floor register screen mesh to the back of the register and place them into the duct. Suitable for all material types vents not easy to loose. | Versatile: Simple yet effective floor vent screens are suitable for vents in floor, air conditioning, refrigeration heating and HVAC systems; Works great to stop things from getting onto the heat ducts. And keeps "uninvited guests" from crawling in! Perfect for using in living room, bedroom, bathroom, kitchen, laundry room, basement, loft, RV and office. | A Must Have Accessory for Keeping Most Stuff out of Floor Vent: Do you still worry about all the small stuff that keep falling into your vents, or are you tired of all the "uninvited guests" that keep coming into your home through your vents? Our register cover traps for home floor will help you to solve these issues. With it, No more game pieces, dust, debris, and hair will out of the vents, also no more "small visitor" entering the home through the vents . | Simple & Classic Style Matches with Most Floor Register Decor: Practical floor vent trap not only fits well in your vent, but also goes well with your floor decor; It not only matches well with most types of vent décor, but also adds contemporary feeling and modern touch to your home.