<p>A heat shrinking polyester film characterized by exhibiting a coefficient of dynamic friction between surfaces on at least one side thereof (mud) of <= 0.27 and range (R) of <= 0.05 and further exhibiting a weight loss, resulting from ten reciprocations of friction on the surface under a load of 400 g in a friction test conducted by means of a tester of dyed product fastness to rubbing having a friction member fitted with a sand paper of #1000 grain diameter, of less than 0.24 g/m<2>.</p>
