Patent ID: 7632573

Claim:
A multi-layer film comprising a main layer with at least 50 wt %, based on the total weight of polymers in the main layer, of a polymer comprising units derived from ethylene, said polymer having: a) a Melt Index of from 0.05 to 20 g/10 min as determined by ASTM-1238 Condition E; b) at least 10 per 1000 C-atoms of C1- to C5 short chain branches as determined by C13 NMR, and 0 to 3.5 mol % of units derived from a copolymerizable ethylenically unsaturated ester; c) a density of from 0.90 to 0.94 g/cm 3 as determined by ASTM D1505; and d) a rheological relaxation time of at least 10 s; said film having an elastic recovery after a 100% stretch of at least 40% and providing a normalized holding force per 100 μtm thickness pre-stretch at 85% stretch, after an initial stretch of 100%, of at least 20 N/50 mm.