Reasonable size:One piece package. The length of butyl sealing rope is approx. 13 feet (4 m) and thickness approx. 3/8 inch (9.5 mm). butyl sealing tape is long enough to reseal approximately 3 headlight assemblies and is easy to cut to fit your needs. Applications: Rubber butyl tape is designed for automotive, truck lights, windshields, door waterproofing; appliance panel sealing and installation; sealing and installation of electronic equipment and speakers; window glass sealing reinforcement, etc. Easy to use: Simply tear the sealant off the paper and press it well around the seam. After removing the headlight cover, the welding area should be dry, clean and free of dust, oil and grease. Good performance:Good adhesion to a wide range of materials, good ductility, and flexibility throughout its service life. Any questions feel free to contact us., Weight: 0.81901730333 Pounds, Manufacturer: QWORK