Features: This waterproof butyl tape with aluminum foil backing delivers superior moisture barrier protecting, effectively sealing against water and humidity infiltration for reliability leak prevention in diverse settings. Featuring a strong auto adhesive butyl layer that securely to metal, concrete, and plastic without additional glues, it ensures durability, weather resistant performances to resist cracking and maintain sealing integrity over time. Ideal for construction professional, repair technicians, and crafts enthusiasts seeking a good quality sealing solution for home improvement or industrial maintenance tasks. Perfect for applications like roof repairs, pipe sealing, wall gaps, automotive fixes, and marine equipment to create a waterproof, long lasting barrier in challenging environments. With its easy to use design—simply peels, cut, and apply—this versatile tape streamlines tasks such as patching leaks or wrapping joints, enhancing efficiency without speciality tool. Specifications: Color:Two Choices Dimension:10cm/3.94in 5cm/1.97in Component:nitrile rubber Package Includes: 1roll Waterproofed aluminum foil tape note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.