Features: Temperature resistant aluminum foil tape with 300°C tolerance and waterproof design ensures strong sealing for HVAC systems, metal surfaces, and electrical insulation. Reinforced fiberglass fabric cores and aluminum backing deliver tear resistant strength, flame retardant properties, and without adhesion on clean surfaces. Ideal for contractors, DIY enthusiasts, and HVAC technicians requiring reliable solution for industrial repairs or household maintenance tasks. Perfect for sealing air ducts, patching torn insulation, waterproofing pipe , or temporarily repairing automotive components and metal roofing. This strong adhesive tape combines reflective heat shielding with tight sealing capabilities, making it a multifunction tool for emergency fixes and long terms projects. Specifications: Material: fiberglass and aluminum foil Width: about 5cm/6cm/8cm/10cm(optional) Package Includes: 1xAluminum Foil Tape note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.