Dr. Shrink White 7mm Shrink Film 40' x 100' offers a complete system to make shrink wrapping a smooth and easy process with the most professional results."Super Strength" shrink wrap is 6 millimeters thick a virgin resin, bi-axial polyethylene film that is tougher and shrinks more easily than any competitive shrink wrap on the market. Ensure consistent quality with maximum ultra violet inhibitors for added durability in all climates.