Magnetic Fireplace Windstops Indoor Chimneys Windshields Ventilation Covers Prevent Heat Loss Magnet Fireplace Screens Improved Insulation: This magnetic fireplace draft shield eliminates winter weather drafts, keeping unwanted cold air out of your home and preventing heat loss. In summer, this fireplace vent cover can be used to keep hot and humid air out. This fireplace draft shield ensures your chimney doesn't become a source of unwanted cold or hot air. Efficient: This draft shield vent cover increases energy efficiency, allowing you to save on your monthly utility bills. Even without a fire, your chimney continues to generate drafts, which can cause warm air to be drawn out of your home and replaced by colder air outside. Our fireplace blockers are the perfect solution to this common problem. Helps with allergies: This magnetic vent hood is the perfect windscreen to reduce pesky and unwanted pollen and dust from entering your home through your fireplace. Perfect for wood or gas fireplaces, our winter and summer fireplace covers are the perfect companion to your home chimney. Easy to use: Our fireplace draft stoppers use magnets to stick securely to the fireplace's magnetic vents. Simply remove the plotter plug before using the fireplace and reapply it after the fireplace has cooled. Additionally, our draft stoppers can be easily trimmed with a pair of scissors to better fit the vents of your specific fireplace. Product parameters: Thickness: 1mm Specification 1: 91.44*10.16cm (2pcs); Weight: 600g Specification 2: 101.6*10.16cm (2pcs); Weight: 650g Specification 3: 91.44*15.24cm (2pcs); Weight: 900g Specification four: 101.6*15.24cm (2pcs); package weight: 950g Transportation time: International express, delivery time is about 10-20 days. Please contact us if you have not received the item within the specified time