Stretch & Seal, 1" x 10', 20 Mil, Black, Self Fusing Silicone Sealing Tape, Conforms To Irregular Shapes, Insulates To 800V, Ideal For Use In Any Weather Condition, Waterproof, Resists Salt/Oil/Chemicals, Protects Against Corrosion, Withstands Temperatures From 65 To 500 Degrees Fahrenheit, UV Resistant, Easy To Remove & Leaves No Residue, Meets Or Exceeds UL510.