Magic Wrap - The Emergency Repair Kit on a Roll. Water tight and air tight to 100 psi. Works summer and winter from -40 to 176F / 40 to 80C. Suitable for use at not more than 600V and at not more than 80C (176F). Incredibly strong - Long lasting. Conforms to irregular surfaces and shapes. Stretches to three times its length. Does things no tape can do! 100s of uses! Ideal for repairing: Plumbing, Automotive,Electrical, Household,Sports equipment. Bonds to itself without adhesive! Forms a solid rubber wrap!