We tested eight brands of plastic wrap, including Kirkland Signature, Saran Wrap, and Stretch-Tite. One got gold stars across the board, but many more flunked. Not all plastic wraps are the same—four ...

Plastic wrap should never be used in ovens, grills or other high-heat appliances because it can melt. Foods high in fat or sugar heat quickly, which can cause plastic wrap to melt or leach chemicals.