specification as following :
  a) Standard Thicknes:  3 MIL
b) Width of Tape:  4 INCH.
c) Length per roll:  100 FEET.
POLY WRAP is a hard, skinny stretchy vinyl stuff which sticks to itself when wrapped in layers upon the joints. POLY WRAP forms solid, strong, stretchy, moisture-proof binding...POLY WRAP shield wire bunch, tie together bundle and tissue and paper insulates wire. S ested for foam sealed, improved, buried, and complex Compression closures
 
Characteristics: 4" x100' 3.0 mil (E-Z wrap)