- Fire-Resistant Magnetic Fireplace Vent Cover: Constructed from durable fire-resistant carbon fiber material, this innovative fireplace draft blocker prevents heat loss from your home while enhancing safety. - Energy and Cost Savings: Reduce heat escaping through your chimney after a wood-burning fire, conserving energy and lowering your heating costs effectively. - Size Options: Available in four sizes to fit various fireplaces: - Small: 30" x 36" - Medium: 32" x 42" - Large: 36" x 48" - X-Large: 48" x 55" - Enhanced Safety Features: Protects against hot embers that could enter your home, providing peace of mind while you sleep. - Recommended Usage: Ideal for use once your fire has reduced to hot coals and embers. Do not use the cover when flames or burning logs are present to ensure safety. This versatile magnetic fireplace cover is compatible with gas fireplaces, making it an essential accessory for energy savings and home protection.