Flashing Tape (SBS) It can form a firm bond at the seams, effectively seal the seams, and prevent moisture, air, dust and the like from entering through the seams. Available Dimension:Width:4 inch (102 mm)6 inch (152 mm)9 inch (229 mm)12 inch (305 mm)Length:75 ft (23 m) Customization Arkint Tech is a R&D Type factory, welcome customers to work with us to develop your new products.