1. Upgraded Design: Our fireplace blocker blanket uses a built-in magnetic strip design, with one built-in magnetic strip on the long side and one magnetic strips on each of the short sides. The outer layer is assembled from Oxford cloth and thick cotton. 2. Perfect Blocker: This fireplace blocker blanket can play a good role in thermal insulation. In winter, it can prevent the leakage of warm air in the house and the intrusion of cold outdoor air. In summer, it can block the inflow of hot air from the outside and the outflow of cold air in the house. 3. Save Energy and Money: Using our fireplace blocker can save energy, Your cost will be back by saving energy after year, the color of the fireplace blocker is black, and it blends with the fireplace. 4. Easy to Clean and Store: If it is soiled by charcoal or oil, you only need to wipe it with a wet towel to remove these stains. It is easy to clean and can be reused. Fireplace blocker blanket easy to fold up, store away when not in use this without taking up a ton of space. 5. Suitable Size: the size of each fireplace draft cover is about 51 x 39 inch, which fits most fireplaces and mantel. Black color blends in with the fireplace so you don't even notice it.