Refrigerator door gasket are identical to what you'll find on your home refrigerator.  They are constructed of a thin, flexible vinyl and have a built-in flexible magnetic strip inside.  Use their magnetic properties to seal against magnetic steel substrate. Both the gasket and the magnetic strip can easily be cut to size. Gasket material is (F.D.A. acceptable) and will provide long life and ease of installation. Contact us for further information.