The heat-shrinkable polyester film rolls according to the present invention is
characterized in that the film rolls have (1) a heat shrinkage percentage at 85
C. in the maximum shrinkage direction of 20% or more; (2) a melt resistivity at
a temperature of 275 C. of 0.70108 cm or less;
(3) when samples thereof are cut off at an interval of about 100 m and the fluctuation
in thickness in the maximum shrinkage direction is measured, a thickness distribution
width represented by the following formula of respective samples of 7% or less.
Container-wrapping films excellent in processability and printability
can be produced from the heat-shrinkable polyester film rolls in high yield.