Function-- Bonding Tape for sealing leaky hoses, pipes, weatherproofing accessories, and waterproofing electrical connections and terminals; suitable as an emergency repair solution. Wide application-- Repair Tape for use on cars, boats, air conditioners, cables, connectors, exhaust systems, oil lines, water hoses, pipes, and garden equipment; keep on board vehicles and equipment for emergency repairs. Material-- Black self-adhesive sealing tape made of high-quality silicone rubber; waterproof, heat-resistant, and insulating. Specification-- Operating temperature range from -60C to +260C; suitable for complex and harsh environments; tensile strength 4.9 MPa; elongation 300%; dielectric strength 400 V/mil. Size & Package-- Each roll approximately 1.5 m (L) x 25 mm (W) x 0.5 mm (H); 2 rolls per pack. Note: This is not a permanent professional leak repair solution but suitable for emergency use; the end of the tape may loosen, so it is recommended to secure the end with electrical (PVC) tape.