2.2 mil (0.055mm). 30 micron film. A biaxially oriented polypropylene tape, coated with a solvent based acrylic adhesive.Adhesion: 27 oz/in. Tensile: 20 lbs/in. Elongation at break: 140%. Temp. resistance: 32ºF to 140ºF. Seee-through "CRYSTAL CLEAR" imprinted on 3" neutral core. Crystal clear tape is non-yellow-ing & UV resistant with long shelf life and no fish eyes. Used for lamination and carton sealing. May also be used in cold temperature applications. Meets SPEC. A-A-1684C.

Mill:

• A "mil" is a unit of thickness equal to one thousandth of an inch. 
• To convert mil to inches take mil & divide by 1000. 
• Thus, a 2 mil bag would be .002 inches thick.
• Example: Ex: 2 mil/1000 =.002 inches