SAVE ENERGY: In addition to shielding the room from the outdoors, it also keeps the heat and cold from escaping during the winter and summer, lowering the electricity costs associated with frequent heating or cooling. MATERIAL: The supplied useful gap sealer, which is shaped like a door strip, is constructed of an aluminium metal frame and polypropylene bristles that are entirely flexible and do not break or shrink in any interior or outdoor location. DESIGN: This under-door draught blocker's revised design makes it an excellent door insulation seal for all-season protection. In addition, its basic design is beautiful, fits into any home, and is useful when used. EASY TO INSTAL AND WIDE USAGE: Simply fasten it with screws to the bottom of the PVC or wooden door. It is widely used in various types of doors or windows like frameless sliding doors, glass doors, sliding doors, wood doors, cupboards, wardrobes, furniture shower room. WHAT YOU GET: One Door Brush Strip 25mm Bristles - 914mm., Weight: 1.1904962148 pounds, Manufacturer: Dapetz