7.5 mil (12 mil with liner.) Flatback paper coated on both sides with a high shear/aggressive solvent based natural rubber resin adhesive sustem that bonds well to almost any surface. White crepe paper linerallows forboth automatic and hand dispensing applications. Adhesion: 52 oz/in. Quick stick: 20oz/in. Unwind: 11 oz/in. Tensile strength: 34 lbs/in. Elongation: 3% Conforms well to rough and irregular surfaces. Excellent for installation of golf club grips. Mil spec.: A-A-180B, Type II, Class A (Replaces UU-T-91).3" Neutral core/carton.

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