insulation: This magnetic fireplace cover works to eliminate winter weather drafts, keeping unwanted cold air out of your home to prevent heat loss. During summer, this fireplace vent cover can be used to keep hot and humid air out. This fireplace blocker ensures your chimney is not a source of unwanted cold or hot air Efficient: This vent cover improves energy efficiency thus allowing you to save money on your monthly utility bills. Even when there's no active fire, your chimney will continue to generate a which can lead to warm air being sucked out of your home and being replaced by colder air from the outside. fireplace blocker acts as the perfect solution to this common nuisance. Help allergies: This magnetic vent cover is the perfect to reduce pesky. Great for -burning or fireplace, fireplace cover for winter and summer is the perfect to your home chimney. Easy to use: fireplace stopper uses magnets to strongly stick to your fireplace's magnetic . Simply remove the stopper using your fireplace and reapply it the fireplace cools down. Perfect: This fireplace insulation magnetic cover with your fireplace. fireplace covers keep cold air out in winter and out in summer while simultaneously acting as beautiful fireplace decor. size: B: 101.6 x 10.16cm Material: rubber colour: black Package Contents: 2 x Windscreen 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.