Shrink Wrap Bags, PVC, Width 12 in, Length 18 in, Thickness 0.8 mil, Clear, Shrink Temperature 160 Degrees F, Shrink Direction Preferentially Oriented, Maximum Transverse Direction Shrink 35 to 40 Percent, Compatible Grainger Part Number Heat , Heat Tunnel, Maximum Machine Direction Shrink 8 to 10 Percent, Package Quantity 250